sejlerkortet.dk

📜 Historical scan 2026-10-09 09:54:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sejlerkortet.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 24 July 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 75.2.60.5 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, 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#

3 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
75.2.60.5	3600s	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	75.2.0.0/17	🇺🇸 United States	—
99.83.231.61	3600s	acd89244c803f7181.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	99.83.128.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	142.250.150.26 142.250.150.27 142.251.1.26 142.251.1.27 173.194.222.26 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c0d::1b 2a00:1450:4010:c0d::1b 2a00:1450:4010:c1c::1a	la-in-f26.1e100.net la-in-f27.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net lo-in-f26.1e100.net lh-in-f26.1e100.net lh-in-x1a.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net lq-in-x1b.1e100.net lq-in-f27.1e100.net la-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 AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 156ms

TXT Record
google-site-verification=vJE7hdfbunwDDHbRgkxfxkeJW5onbt0YVeGOupqrA-w
google-site-verification=xKCu8L4zdATg7k5aRSdHz1r2M1wiQ-xdxvSONkSbfeo
v=spf1 include:_spf.google.com include:amazonses.com include:spf.resend.com ~all

✉️ SPF#

Policy	Record (sejlerkortet.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:amazonses.com include:spf.resend.com ~all

📨 DMARC#

Policy	Record (_dmarc.sejlerkortet.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-23 00:56:29

www CNAME	sejlerkortet.netlify.app (all on netlify.app) → 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
www vs bare domain	Same network sejlerkortet.dk: 75.2.60.5 99.83.231.61 (AS16509) www.sejlerkortet.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
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: 3/10 · policy: ~all

error include:spf.resend.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

152ms

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

🏷️ SOA#

70ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 17:39:15

Field	Value
Registrar	Simply.com A/S
Registered	2011-07-24
Expires	2027-07-31 (276d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

54ms

50ms

34ms

AAAA

59ms

TXT

156ms

CAA

49ms

HTTPS

52ms

TLSA

61ms

SOA

70ms

MTA-STS

73ms

DNSSEC

152ms

SRV

73ms

Total

865ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 00:56:29	704ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-21 10:30:54	582ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-12 17:14:24	741ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-09 09:54:09 shown	865ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-03 06:46:23	482ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-01 06:40:19	847ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-20 03:39:33	4493ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:40:28	866ms	3 NS 2 A 1 MX	🔓 Insecure