att.dk

Records from scan: 2026-06-20 07:00:44 · 4542ms total · last checked 2026-10-17 19:49 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

att.dk is a .dk domain served by 4 nameservers (ns10a.attdns.net, ns10b.attdns.net, ns10c.attdns.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.160.155.43 is hosted by AT&T Services, Inc. (AS797) in United States. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 348ms

Nameserver	IP addresses	PTR	ASN / ISP
ns10a.attdns.net	144.160.229.221	ns10a.attdns.net	AS797 AT&T Services, Inc.
ns10b.attdns.net	144.160.128.177	ns10b.attdns.net	AS797 AT&T Services, Inc.
ns10c.attdns.net	144.160.112.19	ns10c.attdns.net	AS797 AT&T Services, Inc.
ns10d.attdns.net	144.160.128.159	ns10d.attdns.net	AS797 AT&T Services, Inc.

🌍 A Records#

2 records 367ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.160.155.43	3600s	att.com att.net	AS797	AT&T Services, Inc.	144.160.0.0/15	🇺🇸 United States	—
144.160.36.42	3600s	att.com att.net my.atttest.com	AS797	AT&T Services, Inc.	144.160.0.0/15	🇺🇸 United States	Dallas

📧 MX Records#

1 records 348ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 1488ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (att.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.att.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

📬 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#

checked 2026-10-09 05:24:07

www CNAME	att.com (all on att.com) → 144.160.155.43 144.160.36.42 (AS797)
www vs bare domain	Same network att.dk: 144.160.155.43 144.160.36.42 (AS797) www.att.dk: 144.160.155.43 144.160.36.42 (AS797)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

519ms

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

🏷️ SOA#

362ms

Field	Value
Serial	2011120601
Primary NS (MNAME)	ns0.attdns.net
Responsible (RNAME)	eiss-dns@att.com
Refresh	3600s
Retry	1800s
Expire	2592000s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

348ms

367ms

348ms

AAAA

351ms

TXT

1488ms

CAA

424ms

HTTPS

425ms

TLSA

674ms

SOA

362ms

MTA-STS

370ms

DNSSEC

519ms

SRV

601ms

Total

4542ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-20 07:00:44 shown	4542ms	4 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:57:07	3861ms	4 NS 2 A 0 MX	🔓 Insecure
2026-06-16 13:48:39	1264ms	4 NS 2 A 0 MX	🔓 Insecure