sailserver.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
dante.ns.cloudflare.com	108.162.195.10 162.159.44.10 172.64.35.10 2606:4700:58::a29f:2c0a 2803:f800:50::6ca2:c30a 2a06:98c1:50::ac40:230a	dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com dante.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
martha.ns.cloudflare.com	108.162.194.142 162.159.38.142 172.64.34.142 2606:4700:50::a29f:268e 2803:f800:50::6ca2:c28e 2a06:98c1:50::ac40:228e	martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.136	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.152.137	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9889	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:c88	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.136,172.67.152.137 ech=AEX+DQBBaAAgACDTIPWy02TPt5Mhyp8PqZORHsNmxAAX/+p+F9sOcOykCQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9889,2606:4700:3037::6815:c88

📝 TXT Records2 records 246ms

TXT Record
google-site-verification=ryuOeLm5GiZeEO6yJzl6aydfBXU_DtshNWDkXox_UWE
v=spf1 -all

✉️ SPF

Policy	Record (sailserver.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.sailserver.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC136ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2411638037
Primary NS (MNAME)	dante.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

56ms

MX

32ms

AAAA

37ms

TXT

246ms

CAA

43ms

HTTPS

42ms

TLSA

242ms

SOA

0ms

MTA-STS

146ms

DNSSEC

136ms

SRV

257ms

Total

1036ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:41:23	2519ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-09 22:26:30	1036ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-03 04:23:31	723ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 08:56:05	1466ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 23:46:19	1188ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 07:57:53	913ms	2 NS 2 A 0 MX	🔓 Insecure	View