groenborg-rex.dk

📜 Historical scan 2026-06-20 17:54:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

groenborg-rex.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.do.network-it.dk. 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#

2 records 65ms

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#

🌍

No A records found

📧 MX Records#

1 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.do.network-it.dk	46.101.144.121	mail.do.network-it.dk	AS14061 DigitalOcean, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 418ms

TXT Record
v=spf1 a mx ~all

✉️ SPF#

Policy	Record (groenborg-rex.dk)
~all (soft fail)	v=spf1 a mx ~all

📨 DMARC#

Policy	Record (_dmarc.groenborg-rex.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@network-it.dk; ruf=mailto:dmarc@network-it.dk; fo=1; rf=afrf; pct=100; adkim=r; aspf=r;

📬 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 2026-10-07 21:44:44

www CNAME	web.do.network-it.dk (all on network-it.dk) → 138.68.113.169 (AS14061)
www vs bare domain	Only www resolves groenborg-rex.dk: no address www.groenborg-rex.dk: 138.68.113.169 (AS14061) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

242ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

90ms

Field	Value
Serial	2026032501
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 2026-10-07 21:52:03

Field	Value
Registrar	ONE.COM A/S
Registered	2009-11-15
Expires	2026-11-30 (44d)

📋 WHOIS#

⏱️ Lookup Timing#

65ms

92ms

AAAA

97ms

TXT

418ms

CAA

69ms

HTTPS

70ms

TLSA

190ms

SOA

90ms

MTA-STS

81ms

DNSSEC

242ms

SRV

115ms

Total

1005ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:44:44	800ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-02 21:14:28	715ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 01:13:34	1152ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 14:54:45	804ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 17:54:00 shown	1005ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 10:44:36	503ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 10:43:18	622ms	2 NS 0 A 1 MX	🔒 Secure