sikkerbyggeri.dk

Records from scan: 2026-10-12 21:09:26 · 1401ms total · last checked 2026-10-19 06:21 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sikkerbyggeri.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 6 December 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.150.1.1 is hosted by Amazon.com, Inc. (AS16509) in United States. 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 80ms

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 101ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.150.1.1	3600s	—	AS16509	Amazon.com, Inc.	216.150.1.0/24	🇺🇸 United States	—

📧 MX Records#

1 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.250.110.26 142.250.110.27 142.251.127.26 142.251.127.27 173.194.76.26 2a00:1450:4001:c21::1b 2a00:1450:400c:c00::1a 2a00:1450:400c:c00::1a 2a00:1450:400c:c0d::1a 2a00:1450:400c:c0d::1b	wf-in-f26.1e100.net wf-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net ws-in-f26.1e100.net lcfrai-in-f27.1e100.net ws-in-x1a.1e100.net ws-in-f26.1e100.net wf-in-f26.1e100.net wf-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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 343ms

TXT Record
google-site-verification=fHUgqloM40D6aNIcO7L1OmALiUPslJZ9xdlrIeSQvnY
google-site-verification=msyoS1qE8m2McaAC-Py-oNW3xD7gu6vqFPREFJNwzJQ
v=spf1 include:spf.messagingengine.com ?all

✉️ SPF#

Policy	Record (sikkerbyggeri.dk)
?all (neutral)	v=spf1 include:spf.messagingengine.com ?all

📨 DMARC#

Policy	Record (_dmarc.sikkerbyggeri.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#

checked 2026-10-12 21:09:27

www CNAME	155040c38e5ee004.vercel-dns-017.com (all on vercel-dns-017.com) → 216.150.1.193 216.150.16.193 (AS16509)
www vs bare domain	Same network sikkerbyggeri.dk: 216.150.1.1 (AS16509) www.sikkerbyggeri.dk: 216.150.1.193 216.150.16.193 (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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

284ms

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

🏷️ SOA#

61ms

Field	Value
Serial	2026101200
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 2026-10-18 23:32:43

Field	Value
Registrar	Simply.com A/S
Registered	2024-12-06
Expires	2026-12-05 (47d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
sigenstack.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

80ms

101ms

122ms

AAAA

96ms

TXT

343ms

CAA

110ms

HTTPS

74ms

TLSA

229ms

SOA

61ms

MTA-STS

143ms

DNSSEC

284ms

SRV

178ms

Total

1401ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 21:09:26 shown	1401ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 07:10:32	551ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:08:03	574ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-29 05:55:01	809ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 05:05:52	545ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 18:57:45	658ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-03 09:18:11	853ms	3 NS 1 A 2 MX	🔒 Secure
2026-08-26 20:11:32	849ms	3 NS 1 A 2 MX	🔒 Secure
2026-07-03 09:01:01	2484ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-27 19:09:47	842ms	3 NS 1 A 2 MX	🔒 Secure
2026-06-18 02:20:53	886ms	3 NS 1 A 2 MX	🔒 Secure