tænkførdudeler.dk DNS records

🖥️ Nameservers5 records 60ms

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 61ms

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 57ms

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 Records1 records 178ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.tænkførdudeler.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)

🔐 DNSSEC141ms

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

🏷️ SOA0ms

Field	Value
Serial	2025035771
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

60ms

A

61ms

MX

55ms

AAAA

57ms

TXT

178ms

CAA

63ms

HTTPS

46ms

TLSA

337ms

SOA

0ms

MTA-STS

61ms

DNSSEC

141ms

SRV

56ms

Total

838ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 08:35:05	838ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-26 08:32:44	719ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-20 19:49:48	1044ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-14 04:48:36	17971ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-08-07 04:33:00	1536ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-31 09:44:11	17105ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-23 20:26:01	935ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-17 09:20:05	3973ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-09 20:43:39	995ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-07-03 12:30:41	10886ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-26 17:22:53	2495ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-25 22:09:37	6332ms	5 NS 2 A 0 MX	🔒 Secure	View
2026-06-20 12:32:53	340ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-17 14:39:33	1754ms	5 NS 2 A 0 MX	🔒 Secure	View