infocenter-kastellet.dk DNS records

🖥️ Nameservers5 records 39ms

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 Records1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.31	300s	linux181.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	custmx.cscdns.net	198.58.121.58	—	AS63949 Akamai Connected Cloud

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	93.191.156.31
🔶 Autoconfig	93.191.156.31

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 226ms

TXT Record
v=spf1 mx -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.infocenter-kastellet.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)

🔐 DNSSEC110ms

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

39ms

A

42ms

MX

34ms

AAAA

39ms

TXT

226ms

CAA

40ms

HTTPS

39ms

TLSA

457ms

SOA

0ms

MTA-STS

62ms

DNSSEC

110ms

SRV

85ms

Total

1000ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:06:43	1000ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 11:27:18	689ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 18:32:23	1582ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 12:49:48	3967ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 23:17:56	1645ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 09:12:47	1908ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 02:02:55	1740ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 14:37:41	903ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 08:27:57	950ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 19:52:12	5763ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 06:38:20	989ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 09:44:44	1101ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:27:19	1096ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 07:18:05	573ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 07:28:24	825ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 19:30:57	1286ms	5 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:18:30	2407ms	5 NS 1 A 1 MX	🔒 Secure	View