Dashboard / News Portal / seehua.com

See Hua Online

seehua.com

Last checked: 1 month ago

Partially Compliant
MGv6C-1.0
73%
Partial Support
Works on IPv6 Only?
Website Ready
DNS Ready
Email Not Ready

IPv6 Addresses Detected

2606:4700:3035::ac43:a32d 2606:4700:3034::6815:327c

IPv4 Addresses Detected

172.67.163.45 104.21.50.124

Network Information

WHOIS

IPv6 Network

Organization
Cloudflare, Inc.
Country
US
ASN
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
Network
2606:4700::/32

IPv4 Network

Organization
Cloudflare, Inc.
Country
US
ASN
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
Network
172.64.0.0/13

Web Services

35%
8/8
AAAA Record

The domain has at least one IPv6 address (AAAA DNS record).

✓ 2606:4700:3035::ac43:a32d, 2606:4700:3034::6815:327c

+1
Globally Routable IPv6

The IPv6 addresses are publicly routable — not link-local, ULA, loopback or documentation ranges.

✓ All addresses are globally routable.

+1
HTTP over IPv6

Website reachable on port 80 when connecting via IPv6.

✓ HTTP (port 80) responds over IPv6 — 96ms TTFB.

+1
HTTPS over IPv6

Website reachable on port 443 when connecting via IPv6.

✓ HTTPS (port 443) responds over IPv6 — 125ms TTFB.

+1
IPv6-Only Reachability

Website responds when connected exclusively over IPv6, with no IPv4 fallback. Simulates what happens when IPv4 is turned off.

✓ Site is fully reachable via IPv6-only.

+1
TLS Certificate Valid (IPv6)

The SSL/TLS certificate is valid, not expired, and matches the domain when connected via IPv6.

✓ Certificate valid — issued by C = US, O = Google Trust Services, CN = WE1, expires Apr 11 11:01:54 2026 GMT

+1
Dual-Stack (IPv4 + IPv6)

The domain has both A and AAAA records for backwards compatibility during the IPv6 transition.

✓ Domain has both A and AAAA records.

+1
HTTP/3 (QUIC)

Server advertises HTTP/3 support via the Alt-Svc: h3 header.

✓ Alt-Svc: h3 header detected.

+1

DNS & DNSSEC

25%
3/5
NS Has AAAA Record

At least one authoritative nameserver has an IPv6 address (AAAA record).

✓ Nameserver has IPv6 address.

+1
NS Reachable via IPv6

Authoritative nameserver accepts TCP connections on port 53 over IPv6.

✓ Nameserver is reachable via IPv6 on port 53.

+1
NS Answers Queries via IPv6

Nameserver actually resolves DNS queries when asked over IPv6 — not just TCP open, but functionally answering.

✓ DNS queries answered over IPv6.

+1
DNSSEC Validated

Full DNSSEC chain-of-trust validation passes. Prevents DNS cache poisoning and spoofing.

✗ DNSSEC validation failed or zone is unsigned.

0
Reverse DNS (PTR)

A PTR record exists in ip6.arpa for the IPv6 address. Important for email delivery and network diagnostics.

✗ No PTR record found.

0
DS Record at Parent

Delegation Signer record exists in the parent zone.

✗ No DS record at parent.

RRSIG Valid

RRSIG signatures are present and not expired.

✗ No valid RRSIG found.

Signing Algorithm

The cryptographic algorithm used for DNSSEC signing.

No DNSKEY record found.

Email Services

25%
2/6
MX Record Exists

The domain has at least one MX (Mail Exchange) DNS record pointing to a mail server.

✓ MX record found.

+1
MX Server Has IPv6

The highest-priority MX server resolves to an IPv6 address (AAAA record).

✗ MX server has no IPv6 address.

0
SMTP Reachable via IPv6

The MX server accepts SMTP connections (port 25) over IPv6 and responds with a 220 banner.

✗ SMTP is not reachable over IPv6.

0
STARTTLS over IPv6

The MX server supports STARTTLS encryption when connected over IPv6.

✗ STARTTLS not available over IPv6.

0
SPF Record

A TXT record with v=spf1 exists, declaring which servers may send email for this domain.

✓ SPF record found.

+1
DKIM Selector

A DKIM public key is published at a common selector, enabling email signature verification.

DKIM selector found: default._domainkey

DMARC Record

A DMARC policy record exists at _dmarc.<domain>, enabling email authentication reporting.

✗ No DMARC record found.

0

IPv4 Baseline

15%
3/3
A Record

The domain has at least one IPv4 address (A DNS record).

✓ 172.67.163.45, 104.21.50.124

+1
HTTP over IPv4

Website reachable on port 80 when connecting via IPv4.

✓ HTTP (port 80) responds over IPv4 — 112ms TTFB.

+1
HTTPS over IPv4

Website reachable on port 443 when connecting via IPv4.

✓ HTTPS (port 443) responds over IPv4 — 121ms TTFB.

+1

DNS Resolution Performance

Comparison of A (IPv4) vs AAAA (IPv6) query times across resolvers and transports. Shows median (p50) of 3 samples.

Resolver Transport A (IPv4) AAAA (IPv6) Delta
System Default 28.62 ms (p95: 40.1) 8.55 ms (p95: 22.09) -20.1 ms
Google IPv4 28.35 ms (p95: 34.73) 33.03 ms (p95: 37.1) +4.7 ms
Google IPv6 32.69 ms (p95: 35.96) 20.96 ms (p95: 28.92) -11.7 ms
Cloudflare IPv4 10.1 ms (p95: 11.98) 9.72 ms (p95: 19.42) -0.4 ms
Cloudflare IPv6 25.26 ms (p95: 29.53) 9.03 ms (p95: 22.39) -16.2 ms
Verification ID: d6e2d680-e141-435b-8913-916521942a9f View Audit Trail

Score History

Check History

Last 2 checks

Date Score Status Triggered By
07 Mar 2026
01:18 UTC
73 % Partial manual
06 Mar 2026
19:10 UTC
73 % Partial manual