bigumlarsen.dk

📜 Historical scan 2026-06-22 03:43:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bigumlarsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.89.5.92 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by bigumlarsen-dk.mail.protection.outlook.com. 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 98ms

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 90ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.89.5.92	43200s	83-89-5-92-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	83.89.0.0/16	🇩🇰 Denmark	Birkerød

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	bigumlarsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 52.101.68.10 52.101.68.16 52.101.73.16 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.206.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 235ms

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

✉️ SPF#

Policy	Record (bigumlarsen.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 2026-10-17 05:36:33

www	83.89.5.92 (AS3292) (address records, no CNAME)
www vs bare domain	Same network bigumlarsen.dk: 83.89.5.92 (AS3292) www.bigumlarsen.dk: 83.89.5.92 (AS3292)
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#

95ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026053101
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 2026-10-03 05:59:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-02-12
Expires	2027-03-31 (156d)

📋 WHOIS#

⏱️ Lookup Timing#

98ms

90ms

55ms

AAAA

39ms

TXT

235ms

CAA

86ms

HTTPS

40ms

TLSA

2021ms

SOA

39ms

MTA-STS

105ms

DNSSEC

95ms

SRV

113ms

Total

2533ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 05:38:13	1136ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 05:16:34	746ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:01:58	1257ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-06 13:47:48	1673ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 16:25:19	1671ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 11:20:24	743ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 02:13:01	2112ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 22:01:55	1086ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 03:43:34 shown	2533ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:30:37	512ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:30:01	910ms	2 NS 1 A 1 MX	🔒 Secure