31holding.dk

📜 Historical scan 2026-06-21 20:50:01 · ← 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 32ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.156	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/s	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	31holding-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::8 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 52.101.68.27 52.101.73.15 52.101.73.153 52.101.73.24	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.136
🔶 Autoconfig	46.30.213.156

🔷 AAAA Records (IPv6)#

1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:e0:90de:6ad:de24	3600s	—	AS51468	One.com A/s	2a02:2350::/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 226ms

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#

116ms

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

🏷️ SOA#

44ms

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#

32ms

37ms

32ms

AAAA

45ms

TXT

226ms

CAA

45ms

HTTPS

30ms

TLSA

1019ms

SOA

44ms

MTA-STS

54ms

DNSSEC

116ms

SRV

315ms

Total

1636ms

🕐 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 shown	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	2649ms	2 NS 1 A 1 MX	🔒 Secure