grb.dk DNS records

🖥️ Nameservers4 records 76ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.92.65.188	3600s	80-92-65-188.ip.dclux.com	AS24611	Datacenter Luxembourg S.A.	80.92.64.0/19	🇱🇺 Luxembourg	Luxembourg

📧 MX Records1 records 84ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	grb-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 2a01:111:f403:ca09::f 52.101.68.8 52.101.73.15 52.101.73.2 52.101.73.6	mail-as9pr07cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 347ms

TXT Record
facebook-domain-verification=luixbrpizjwefe9bmykk0nut6lhtao
Include:spf.protection.outlook.com
MS=ms15778282
spf.protection.outlook.com
v=spf1 ip4:46.101.144.126 ip4:194.116.128.11 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (grb.dk)
-all (hard fail)	v=spf1 ip4:46.101.144.126 ip4:194.116.128.11 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.grb.dk)
p=reject	v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:64677408409ab@dmarc.centerasecurity.com; ruf=mailto:64677408409ab@dmarc.centerasecurity.com; fo=0

📬 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)

🔐 DNSSEC184ms

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

🏷️ SOA0ms

Field	Value
Serial	2026041426
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

76ms

A

76ms

MX

84ms

AAAA

72ms

TXT

347ms

CAA

71ms

HTTPS

71ms

TLSA

428ms

SOA

0ms

MTA-STS

130ms

DNSSEC

184ms

SRV

135ms

Total

1408ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 23:45:06	1408ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 23:21:11	2364ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 22:41:21	4949ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 15:19:30	1955ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 09:38:49	9310ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 19:55:29	10438ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 17:48:29	1339ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 14:52:45	1432ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 01:48:51	892ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 02:47:50	1031ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 00:06:06	1065ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:07:29	1864ms	4 NS 1 A 1 MX	🔒 Secure	View