alt-tab.dk

📜 Historical scan 2026-06-16 12:48:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alt-tab.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 November 2009 (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 5 more. 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 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

7 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.251.1.26	lb-in-f26.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.27	so-in-f27.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
10	—	aspmx2.googlemail.com	192.178.211.27	lcbomp-in-f27.1e100.net	AS15169 Google LLC
10	—	aspmx3.googlemail.com	192.178.211.27	lcbomp-in-f27.1e100.net	AS15169 Google LLC
10	—	aspmx4.googlemail.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
10	—	aspmx5.googlemail.com	172.253.152.26	yulpptr-in-f26.1e100.net	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 8073ms

TXT Record
google-site-verification=FiTeE6owYWhtwtF4HcdxGuolqJ_PFaLuQdw03fdVzg4

✉️ 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 2026-10-15 00:25:21

www	NORESPONSE
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

139ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

49ms

Field	Value
Serial	2026061401
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 2026-10-15 00:56:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-11-03
Expires	2026-11-30 (42d)

🔗 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
spunk.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

63ms

61ms

42ms

AAAA

51ms

TXT

8073ms

CAA

63ms

HTTPS

37ms

TLSA

79ms

SOA

49ms

MTA-STS

4030ms

DNSSEC

139ms

SRV

0ms

Total

8754ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 00:25:21	16817ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-25 10:21:51	16945ms	2 NS 0 A 7 MX	🔒 Secure
2026-09-13 22:40:43	25804ms	2 NS 0 A 7 MX	🔒 Secure
2026-08-15 08:46:38	19306ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-17 07:56:26	17543ms	2 NS 0 A 7 MX	🔒 Secure
2026-07-03 06:23:18	17144ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-28 06:22:59	17258ms	2 NS 0 A 7 MX	🔒 Secure
2026-06-16 12:48:40 shown	8754ms	2 NS 0 A 7 MX	🔒 Secure