ta-bu.dk

📜 Historical scan 2026-06-26 01:21:43 · ← 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 not DNSSEC-signed, 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 251ms

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 237ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.132.172.77	3600s	linux2.itfirmaet.dk	AS24940	Hetzner Online GmbH	142.132.128.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records#

3 records 238ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.spamexperts.com	149.13.75.27 2001:978:2:2c::137:100	fe1-r3-in.fra02.l.antispamcloud.com fe2-r3-in.ams14.l.antispamcloud.com	AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC
20	3600s	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	3600s	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 719ms

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#

333ms

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

🏷️ SOA#

222ms

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#

251ms

237ms

238ms

AAAA

235ms

TXT

719ms

CAA

229ms

HTTPS

223ms

TLSA

410ms

SOA

222ms

MTA-STS

1380ms

DNSSEC

333ms

SRV

358ms

Total

3001ms

🕐 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 shown	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	2312ms	3 NS 1 A 3 MX	⚠️ Bogus