grsb.dk

📜 Historical scan 2026-06-21 16:04:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grsb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.184.176.138 is hosted by AURA Fiber A/S (AS204274) in Denmark. Mail is handled by mail.grsb.dk. The zone is DNSSEC-signed and validates, has no 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#

2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.184.176.138	3600s	85.184.176.138.dynamic.dhcp.aura-net.dk	AS204274	AURA Fiber A/S	85.184.128.0/18	🇩🇰 Denmark	Sabro

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	21600s	mail.grsb.dk	85.184.176.138	85.184.176.138.dynamic.dhcp.aura-net.dk	AS204274 AURA Fiber A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	85.184.176.138
🔶 Autoconfig	85.184.176.138

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 191ms

TXT Record
v=spf1 a:mail.sirous.dk mx ip4:5.186.208.161 -all

✉️ SPF#

Policy	Record (grsb.dk)
-all (hard fail)	v=spf1 a:mail.sirous.dk mx ip4:5.186.208.161 -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 13:41:10

www	85.184.176.138 (AS204274) (address records, no CNAME)
www vs bare domain	Same network grsb.dk: 85.184.176.138 (AS204274) www.grsb.dk: 85.184.176.138 (AS204274)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

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

🏷️ SOA#

84ms

Field	Value
Serial	2026061201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-17 23:23:40

Field	Value
Registrar	ONE.COM A/S
Registered	2018-01-19
Expires	2030-01-31 (1198d)

🔗 Same registrant#

1 domain

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
garshasbi.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

37ms

96ms

66ms

AAAA

45ms

TXT

191ms

CAA

72ms

HTTPS

36ms

TLSA

94ms

SOA

84ms

MTA-STS

38ms

DNSSEC

71ms

SRV

76ms

Total

467ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 13:41:10	1764ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 22:48:09	614ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 02:02:16	637ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 07:48:50	2932ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 12:33:42	699ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 07:37:05	1415ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 16:04:34 shown	467ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 07:25:42	1770ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:07:04	1155ms	2 NS 1 A 1 MX	🔒 Secure