underlup.dk

📜 Historical scan 2026-08-12 13:27:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

underlup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 February 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.114.140.50 is hosted by WIIT AG (AS24961) in Germany. Mail is handled by mail.underlup.dk. The zone is DNSSEC-signed and validates, 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#

2 records 231ms

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 233ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.114.140.50	43200s	—	AS24961	WIIT AG	85.114.128.0/19	🇩🇪 Germany	—

📧 MX Records#

1 records 278ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.underlup.dk	85.114.140.50	—	AS24961 WIIT AG

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	underlup.dk → 85.114.140.50
🔶 Autoconfig	underlup.dk → 85.114.140.50

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-12 15:53:01

www CNAME	underlup.dk (all on underlup.dk) → 85.114.140.50 (AS24961)
www vs bare domain	Same network underlup.dk: 85.114.140.50 (AS24961) www.underlup.dk: 85.114.140.50 (AS24961)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.underlup.dk	underlup.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

635ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081101
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 04:25:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-02-21
Expires	2027-02-28 (131d)

📋 WHOIS#

⏱️ Lookup Timing#

231ms

233ms

278ms

AAAA

245ms

TXT

802ms

CAA

180ms

HTTPS

206ms

TLSA

566ms

SOA

0ms

MTA-STS

354ms

DNSSEC

635ms

SRV

283ms

Total

3094ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 15:53:01	835ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 11:38:00	688ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 03:07:59	1481ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 16:33:01	1591ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 13:27:08 shown	3094ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 10:35:21	845ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 03:39:30	1454ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 20:23:41	1943ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:04:06	901ms	2 NS 1 A 1 MX	🔒 Secure