udebyggeri.dk

📜 Historical scan 2026-06-17 19:21:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

udebyggeri.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.76.21.21 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by smtp.google.com. The zone is DNSSEC-signed but currently fails validation, has no 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 51ms

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#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	—	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	smtp.google.com	173.194.220.26 173.194.222.26 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b 2a00:1450:4010:c1c::1a 2a00:1450:4010:c1c::1b 64.233.164.26 64.233.164.27 64.233.165.27	lk-in-f26.1e100.net lo-in-f26.1e100.net lh-in-f26.1e100.net lh-in-x1a.1e100.net lh-in-f27.1e100.net lh-in-x1b.1e100.net la-in-f26.1e100.net la-in-f27.1e100.net lf-in-f26.1e100.net lf-in-f27.1e100.net lg-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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 469ms

TXT Record
google-site-verification=Zy1MHeP_UDi5HaZDYczGuvaPOFQ0gdPhbMPZevd7mgY

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 15:17:29

www CNAME	cname.vercel-dns.com (all on vercel-dns.com) → 66.33.60.67 76.76.21.98 (AS16509)
www vs bare domain	Same network udebyggeri.dk: 76.76.21.21 (AS16509) www.udebyggeri.dk: 66.33.60.67 76.76.21.98 (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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

123ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'udebyggeri.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

30ms

Field	Value
Serial	2026031602
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

51ms

45ms

38ms

AAAA

31ms

TXT

469ms

CAA

30ms

HTTPS

46ms

TLSA

103ms

SOA

30ms

MTA-STS

40ms

DNSSEC

123ms

SRV

253ms

Total

1061ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 15:17:29	612ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-03 20:23:13	1370ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-23 18:16:20	580ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 10:17:33	615ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-04 23:47:54	1209ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 19:21:23 shown	1061ms	3 NS 1 A 1 MX	⚠️ Bogus