grb.dk

📜 Historical scan 2026-09-20 08:39:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grb.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 14 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.188 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. Mail is handled by grb-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 170ms

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 Records#

1 records 97ms

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 Records#

1 records 134ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	grb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::26 2a01:111:f403:ca38::8 52.101.103.143 52.101.68.16 52.101.73.153 52.101.91.156	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-maspr04cu00104.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 Records#

5 records 329ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-20 06:45:23

www	80.92.65.188 (AS24611) (address records, no CNAME)
www vs bare domain	Same network grb.dk: 80.92.65.188 (AS24611) www.grb.dk: 80.92.65.188 (AS24611)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector2	selector2-grb-dk._domainkey.airgreenland.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

183ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026041430
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-19 04:38:12

Field	Value
Registrar	Eurodns S.A
Registered	2004-09-14
Expires	2027-09-30 (343d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
artic-excursions.dk	Simply.com A/S
articexcurtions.dk	Simply.com A/S
grønland-rejser.dk	Simply.com A/S
grønlands-rejsebureau.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

170ms

97ms

134ms

AAAA

161ms

TXT

329ms

CAA

150ms

HTTPS

124ms

TLSA

375ms

SOA

0ms

MTA-STS

157ms

DNSSEC

183ms

SRV

202ms

Total

1730ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 06:45:23	1177ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-19 04:08:42	1486ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 09:28:53	1083ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 09:25:07	1273ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-20 08:39:08 shown	1730ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-13 07:18:40	1076ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-25 23:45:06	1408ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-24 23:21:11	2364ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-23 22:41:21	4949ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-07 15:19:30	1955ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-20 09:38:49	9310ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-18 19:55:29	10438ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-17 17:48:29	1339ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 14:52:45	1432ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-29 01:48:51	892ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-26 02:47:50	1031ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 00:06:06	1065ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:07:29	1864ms	4 NS 1 A 1 MX	🔒 Secure