f2net.dk DNS records

🖥️ Nameservers5 records 113ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records2 records 118ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.22.145.121	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—
5.22.145.16	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	5.22.145.0/24	🇩🇪 Germany	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 79ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:18e0:5:2:7577:4e4d:413b:f507	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—
2a00:18e0:5:3:dfe2:c743:85aa:61bc	600s	relay.mail-forwarder.io	AS16509	Amazon.com, Inc.	2a00:18e0:5:0:0:0:0:0/48	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records6 records 406ms

TXT Record
_globalsign-domain-verification=gubjeg0bpAv0Tsl-l4h-tva6rtDjO1KnKP14XmHrzo
_globalsign-domain-verification=k8pNbOeHbKyzA6GaYGhPlPZ6I17y5VCX_0ldF6mR3_
_globalsign-domain-verification=ObXiE3nKcwmyIL_FBbRlQ_PX7QLWAoN2B1d2zz3vqP
_globalsign-domain-verification=P4bh8PIPCp24hDWvx_h4oZbr_gvIdH2_fFL43IPcZU
_globalsign-domain-verification=wPcITAN1HymxlKzJEBxLvNL-o-aYx7--c-EPAiWsZB
v=spf1 mx -all

✉️ SPF

Policy	Record (f2net.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.f2net.dk)
p=reject	v=DMARC1; p=reject; sp=reject;

📬 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)

🔐 DNSSEC203ms

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

🏷️ SOA0ms

Field	Value
Serial	2025035770
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

113ms

A

118ms

MX

95ms

AAAA

79ms

TXT

406ms

CAA

111ms

HTTPS

92ms

TLSA

292ms

SOA

0ms

MTA-STS

120ms

DNSSEC

203ms

SRV

142ms

Total

1787ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 19:46:35	820ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-28 04:22:04	746ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-20 02:07:49	1787ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-13 23:17:51	4848ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-06 10:21:29	1029ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-31 06:53:29	1561ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 21:53:59	1151ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-16 12:17:04	1007ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-10 07:32:15	1125ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-03 18:31:01	731ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-27 03:41:50	828ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-24 20:48:02	938ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-24 03:16:08	1136ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 03:49:54	1018ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 14:11:59	1118ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-22 05:30:22	1297ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-18 20:01:53	1335ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 09:10:33	1009ms	5 NS 2 A 0 MX	🔒 Secure	View