sailmentor.dk

Records from scan: 2026-10-07 15:56:29 · 1068ms total · last checked 2026-10-18 05:09 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sailmentor.dk is a .dk domain served by 2 nameservers (dilbert.ns.cloudflare.com, vita.ns.cloudflare.com). It was registered on 19 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.46.192 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
dilbert.ns.cloudflare.com	108.162.193.155 172.64.33.155 173.245.59.155 2606:4700:58::adf5:3b9b 2803:f800:50::6ca2:c19b 2a06:98c1:50::ac40:219b	dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vita.ns.cloudflare.com	108.162.192.238 172.64.32.238 173.245.58.238 2606:4700:50::adf5:3aee 2803:f800:50::6ca2:c0ee 2a06:98c1:50::ac40:20ee	vita.ns.cloudflare.com vita.ns.cloudflare.com vita.ns.cloudflare.com vita.ns.cloudflare.com vita.ns.cloudflare.com vita.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.46.192	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.145	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 2a00:1450:4010:c20::1a 2a00:1450:4010:c22::1b 64.233.162.26 64.233.164.26 64.233.164.27 64.233.165.26 74.125.205.26	li-in-x1a.1e100.net li-in-f26.1e100.net li-in-x1b.1e100.net li-in-f27.1e100.net yulppbn-in-f26.1e100.net yulpptr-in-f27.1e100.net li-in-f26.1e100.net lf-in-f26.1e100.net lf-in-f27.1e100.net lg-in-f26.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8d91	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:2ec0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.46.192,172.67.141.145 ech=AEX+DQBBdQAgACBuWIoEi/Zsqm6VZasO+RrdRhvubYHr5tV5IEMh8O82CQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8d91,2606:4700:3033::6815:2ec0

📝 TXT Records#

2 records 159ms

TXT Record
google-site-verification=Ey1cQtnKfsK2u7OBK0QiWuUCpVDj-QF51jjGa4SJnHA
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (sailmentor.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.sailmentor.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100

📬 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

🧩 Web & zone#

checked 2026-10-07 15:56:29

www	104.21.46.192 172.67.141.145 2606:4700:3030::ac43:8d91 2606:4700:3033::6815:2ec0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sailmentor.dk: 104.21.46.192 172.67.141.145 2606:4700:3030::ac43:8d91 2606:4700:3033::6815:2ec0 (AS13335) www.sailmentor.dk: 104.21.46.192 172.67.141.145 2606:4700:3030::ac43:8d91 2606:4700:3033::6815:2ec0 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

122ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

27ms

Field	Value
Serial	2416849551
Primary NS (MNAME)	dilbert.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 14:49:08

Field	Value
Registrar	ONE.COM A/S
Registered	2023-12-19
Expires	2026-12-18 (61d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

34ms

48ms

AAAA

35ms

TXT

159ms

CAA

50ms

HTTPS

42ms

TLSA

104ms

SOA

27ms

MTA-STS

67ms

DNSSEC

122ms

SRV

72ms

Total

1068ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:56:29 shown	1068ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-06 14:46:38	4279ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-28 13:03:14	772ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 12:03:09	1305ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 21:42:08	568ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:16:45	647ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 18:02:03	2086ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 14:35:14	1106ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 11:28:34	692ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:42:52	907ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 23:29:06	1172ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 11:25:16	565ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:48:05	863ms	2 NS 1 A 1 MX	🔒 Secure