underskrive.dk

📜 Historical scan 2026-06-17 16:51:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

underskrive.dk is a .dk domain served by 4 nameservers (ns-1141.awsdns-14.org, ns-1542.awsdns-00.co.uk, ns-332.awsdns-41.com and 1 more). It was registered on 17 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

4 records 124ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1141.awsdns-14.org	205.251.196.117 2600:9000:5304:7500::1	ns-1141.awsdns-14.org ns-1141.awsdns-14.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1542.awsdns-00.co.uk	205.251.198.6 2600:9000:5306:600::1	ns-1542.awsdns-00.co.uk ns-1542.awsdns-00.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-332.awsdns-41.com	205.251.193.76 2600:9000:5301:4c00::1	ns-332.awsdns-41.com ns-332.awsdns-41.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-624.awsdns-14.net	205.251.194.112 2600:9000:5302:7000::1	ns-624.awsdns-14.net ns-624.awsdns-14.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 129ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.31.99.101	—	vm-b5eb42e5-4b24-48ff-8c41-21716a1a6e32.ams.resource.cloud	AS35470	—	—	—	—

📧 MX Records#

5 records 133ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c03::1b	rd-in-f26.1e100.net rc-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	—	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	—	aspmx2.googlemail.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	—	aspmx3.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

1 records 119ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:348:5e6:feed::7:5	—	unassigned.ams.resource.cloud	AS35470	—	—	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 192ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (underskrive.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.underskrive.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:da949178c0559258702933f3933ebde5-d@dmarc.report-uri.com; ruf=mailto:beheer+dmarc@ondertekenen.nl

📬 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 2026-10-03 18:01:48

www CNAME	underskrive.dk (all on underskrive.dk)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 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#

174ms

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

🏷️ SOA#

100ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-332.awsdns-41.com
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-11 13:47:03

Field	Value
Registrar	MarkMonitor Inc.
Registered	2018-02-17
Expires	2027-02-28 (133d)

🔗 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#

124ms

129ms

133ms

AAAA

119ms

TXT

192ms

CAA

92ms

HTTPS

101ms

TLSA

2842ms

SOA

100ms

MTA-STS

132ms

DNSSEC

174ms

SRV

0ms

Total

4141ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-26 05:11:31	4816ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-17 16:51:55 shown	4141ms	4 NS 1 A 5 MX	🔓 Insecure