sailmentor.dk

📜 Historical scan 2026-06-21 11:25:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sailmentor.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.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 162.159.142.17 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 has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.142.17	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 2a00:1450:4010:c08::1a 2a00:1450:4010:c08::1a 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1b 2a00:1450:4010:c0d::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net lf-in-x1a.1e100.net lf-in-f26.1e100.net lg-in-x1a.1e100.net lg-in-f26.1e100.net lq-in-x1a.1e100.net lq-in-f26.1e100.net lq-in-x1b.1e100.net lq-in-f27.1e100.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 AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 276ms

TXT Record
google-site-verification=Ey1cQtnKfsK2u7OBK0QiWuUCpVDj-QF51jjGa4SJnHA

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.sailmentor.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:dmarcreports@lovable.dev

📬 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#

latest probe, not this scan · 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

196ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2026061105
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

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

Field	Value
Registrar	ONE.COM A/S
Registered	2023-12-19
Expires	2026-12-18 (60d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

43ms

39ms

AAAA

58ms

TXT

276ms

CAA

51ms

HTTPS

50ms

TLSA

51ms

SOA

50ms

MTA-STS

70ms

DNSSEC

196ms

SRV

106ms

Total

565ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 15:56:29	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 shown	565ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:48:05	863ms	2 NS 1 A 1 MX	🔒 Secure