ta-bu.dk

📜 Historical scan 2026-06-17 14:06:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ta-bu.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.132.172.77 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx.spamexperts.com, fallbackmx.spamexperts.eu and 1 more. The zone is DNSSEC-signed but currently fails validation, publishes a 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#

3 records 71ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5 2001:67c:192c::add:5	helium.ns.hetzner.de helium.ns.hetzner.de	AS12337 noris network AG AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 93ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.132.172.77	—	linux2.itfirmaet.dk	AS24940	Hetzner Online GmbH	142.132.128.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records#

3 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.spamexperts.com	154.59.104.23 2001:978:2:2c::137:100	fe2-r3-in.ams14.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
20	—	fallbackmx.spamexperts.eu	149.13.75.27 154.59.104.23 154.59.193.124 2001:978:2:2c::137:100 2001:978:2:6::f:124 2001:978:2:7::162:100	fe1-r3-in.fra02.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe3-r3-in.du01.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
30	—	lastmx.spamexperts.net	149.13.75.27 154.59.104.23 2001:550:2:3::62:100 2001:550:2:61::2fc:100 2001:978:2:2c::137:100 2001:978:2:7::162:100 38.71.16.244 38.89.254.156	fe1-r3-in.fra02.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com fe2-r2-in.la10.l.antispamcloud.com — fe2-r3-in.ams14.l.antispamcloud.com fe1-r3-in.fra02.l.antispamcloud.com fe2-r2-in.la10.l.antispamcloud.com fe1-r2-in.ch03.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS16633 N-able Technologies, Inc. AS16633 N-able Technologies, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 433ms

TXT Record
v=spf1 mx a include:spf.itfirmaet.dk -all

✉️ SPF#

Policy	Record (ta-bu.dk)
-all (hard fail)	v=spf1 mx a include:spf.itfirmaet.dk -all

📨 DMARC#

Policy	Record (_dmarc.ta-bu.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:dmarc@itfirmaet.dk;

📬 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 2026-10-13 00:28:23

www CNAME	ta-bu.dk (all on ta-bu.dk) → 142.132.172.77 (AS24940)
www vs bare domain	Same network ta-bu.dk: 142.132.172.77 (AS24940) www.ta-bu.dk: 142.132.172.77 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

183ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'ta-bu.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

67ms

Field	Value
Serial	2026010700
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

71ms

93ms

59ms

AAAA

66ms

TXT

433ms

CAA

75ms

HTTPS

96ms

TLSA

262ms

SOA

67ms

MTA-STS

122ms

DNSSEC

183ms

SRV

0ms

Total

2312ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-22 20:13:01	1047ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-08 03:20:35	1656ms	3 NS 1 A 3 MX	🔓 Insecure
2026-09-03 21:19:09	630ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-27 11:34:18	1122ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-26 01:21:43	3001ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-20 06:55:36	1242ms	3 NS 1 A 3 MX	🔓 Insecure
2026-06-17 14:06:44 shown	2312ms	3 NS 1 A 3 MX	⚠️ Bogus