ba-u.dk

📜 Historical scan 2026-07-02 01:21:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ba-u.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. 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 62ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

7 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.250.150.26 2a00:1450:4010:c06::1b 2a00:1450:4010:c06::1b	la-in-f26.1e100.net lj-in-f27.1e100.net lj-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	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	43200s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.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	43200s	aspmx4.googlemail.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	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#

📝

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 2026-10-14 02:57:36

www CNAME	ghs.googlehosted.com (all on googlehosted.com) → 142.251.13.121 2a00:1450:4001:c13::79 (AS15169)
www vs bare domain	Different networks ba-u.dk: 46.30.211.38 (AS51468) www.ba-u.dk: 142.251.13.121 2a00:1450:4001:c13::79 (AS15169) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2026061301
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 2026-10-14 03:06:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-02-23
Expires	2033-03-31 (2355d)

🔗 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
ravnekaerlundvest.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

47ms

44ms

AAAA

77ms

TXT

233ms

CAA

44ms

HTTPS

47ms

TLSA

241ms

SOA

42ms

MTA-STS

78ms

DNSSEC

80ms

SRV

68ms

Total

1179ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 02:57:35	3434ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-30 11:23:53	751ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-13 19:13:18	1104ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-06 18:37:11	1172ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-14 13:22:04	6668ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-14 23:46:00	1219ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-04 21:06:51	8045ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-03 19:21:41	1064ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-02 01:21:05 shown	1179ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-16 13:57:37	940ms	2 NS 1 A 7 MX	🔒 Secure