Measurement estimates from a single vantage point — not a compliance certification. Guidance below is for operators, not an SLA.
DNS
Dual-stack
[2] 6/6/6 [O]
Meaning: Shows how many authoritative name servers exist, and how many IPv6 endpoints are configured, responsive, and operational.
IPv4 6/6/6 · IPv6 6/6/6 · location O
| Host | IPv4 | IPv6 | Probes |
|---|
lee.ns.cloudflare.com [O] |
172.64.33.129, 173.245.59.129, 108.162.193.129 |
2a06:98c1:50::ac40:2181, 2803:f800:50::6ca2:c181, 2606:4700:58::adf5:3b81 |
ipv4 172.64.33.129 ok; ipv4 173.245.59.129 ok; ipv4 108.162.193.129 ok; ipv6 2a06:98c1:50::ac40:2181 ok; ipv6 2803:f800:50::6ca2:c181 ok; ipv6 2606:4700:58::adf5:3b81 ok; |
beth.ns.cloudflare.com [O] |
108.162.192.103, 172.64.32.103, 173.245.58.103 |
2a06:98c1:50::ac40:2067, 2803:f800:50::6ca2:c067, 2606:4700:50::adf5:3a67 |
ipv4 108.162.192.103 ok; ipv4 172.64.32.103 ok; ipv4 173.245.58.103 ok; ipv6 2a06:98c1:50::ac40:2067 ok; ipv6 2803:f800:50::6ca2:c067 ok; ipv6 2606:4700:50::adf5:3a67 ok; |
Mail
Dual-stack
[1 MX] v4 smtp 4/4/4 v6 smtp 4/4/4 [O]
Meaning: Shows MX footprint and SMTP health per IP family. Operational means an SMTP banner and EHLO exchange succeeded on port 25.
IPv4 SMTP 4/4/4 · IPv6 4/4/4 · location O
| Host | IPv4 | IPv6 | Probes |
|---|
spc-int.mail.protection.outlook.com [O] |
52.101.149.0, 52.101.149.52, 52.101.151.5, 52.101.149.2 |
2a01:111:f403:cc31::a, 2a01:111:f403:cc31::2, 2a01:111:f403:cc33::1, 2a01:111:f403:cc31::3 |
ipv4 52.101.149.0 ok; ipv4 52.101.149.52 ok; ipv4 52.101.151.5 ok; ipv4 52.101.149.2 ok; ipv6 2a01:111:f403:cc31::a ok; ipv6 2a01:111:f403:cc31::2 ok; ipv6 2a01:111:f403:cc33::1 ok; ipv6 2a01:111:f403:cc31::3 ok; |
Web
Dual-stack
[1] 2/2/2 [I]
Meaning: Shows IPv6 web endpoint readiness for the discovered HTTPS host. Operational means family-specific HTTPS requests complete successfully.
IPv4 2/2/2 · IPv6 2/2/2 · location I
| Host | IPv4 | IPv6 | Probes |
|---|
spc.int [I] |
172.66.136.152, 172.66.134.98 |
2606:4700:10::ac42:8662, 2606:4700:10::ac42:8898 |
ipv4 ok; ipv6 ok; |
DNSSEC
Unsigned
U/-/-
Meaning: Shows whether DNSKEY data is observed at the apex (signed), absent (unsigned), or unavailable due to lookup error.
Apex DNSKEY presence only — not full chain validation.
Analyze on DNSViz
📌 Action item(s):
- Enable DNSSEC signing and publish a DNSKEY at the apex. Use DNSViz to validate the full chain.
DMARC
p=quarantine
p=quarantine — published organizational policy. Ask receivers to quarantine failing mail; reject is stronger.
Meaning: Published DMARC policy at _dmarc.spc.int (DNS TXT). Shows organizational policy (p=) and subdomain policy (sp=) when set.
Record at _dmarc.spc.int:
v=DMARC1; p=quarantine; fo=1; ri=604800; rua=mailto:01997dd0f36b40ac9d2fd73c498ecf4c@dmarc-reports.cloudflare.net,mailto:dmarc_agg@vali.email; ruf=mailto:dmarc-feedback@spc.int; adkim=r; aspf=r
Policy publication only — SPF/DKIM not measured. Not part of the 0–4 row score.
Check on dmarcian
📌 Action item(s):
- Tighten DMARC toward p=reject when ready. Review on dmarcian.