31holding.dk

📜 Historical scan 2026-06-16 12:36:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

31holding.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.156 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by 31holding-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.156	—	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	31holding-dk.mail.protection.outlook.com	52.101.68.18 52.101.68.29 52.101.68.5 52.101.73.2	mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

1 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:e0:90de:6ad:de24	—	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 110ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (31holding.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-11 23:07:35

www	46.30.213.190 2a02:2350:5:10c:80f2:f3f:d367:6c11 (AS51468) (address records, no CNAME)
www vs bare domain	Same network 31holding.dk: 46.30.213.190 2a02:2350:5:10c:80f2:f3f:d367:6c11 (AS51468) www.31holding.dk: 46.30.213.190 2a02:2350:5:10c:80f2:f3f:d367:6c11 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

99ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2026061304
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 05:11:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-01-18
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

29ms

28ms

AAAA

27ms

TXT

110ms

CAA

27ms

HTTPS

29ms

TLSA

2078ms

SOA

27ms

MTA-STS

38ms

DNSSEC

99ms

SRV

0ms

Total

2649ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 23:07:35	1262ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 12:46:40	2373ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 09:54:51	1347ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 11:18:49	3499ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 19:21:49	4072ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-30 04:12:31	778ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 20:50:01	1636ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 19:26:32	1136ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 20:46:22	715ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:36:51 shown	2649ms	2 NS 1 A 1 MX	🔒 Secure