art-f.dk DNS records

🖥️ Nameservers3 records 68ms

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 Records1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.204.209.205	43200s	—	AS52148	Enix Ltd	91.204.208.0/22	🇬🇧 United Kingdom	—

📧 MX Records3 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	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	43200s	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. AS43054 N-able Acquisition Company B.V. AS16633 N-able Technologies, Inc. AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC AS174 Cogent Communications, LLC
30	43200s	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. AS43054 N-able Acquisition Company B.V. 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 Records1 records 296ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.art-f.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

🔗 TLSA / DANE

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

🔐 DNSSEC94ms

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

🏷️ SOA0ms

Field	Value
Serial	2025122204
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

68ms

A

57ms

MX

62ms

AAAA

74ms

TXT

296ms

CAA

50ms

HTTPS

72ms

TLSA

4038ms

SOA

0ms

MTA-STS

104ms

DNSSEC

94ms

SRV

102ms

Total

5032ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 05:09:14	5032ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-08-28 10:14:14	4919ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 07:09:54	1153ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-08-25 18:06:58	1068ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 02:45:58	3009ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 13:41:35	835ms	3 NS 1 A 3 MX	🔓 Insecure	View