bulow-sorensen.dk

📜 Historical scan 2026-08-11 08:35:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bulow-sorensen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 November 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by 1217348930.mail.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 289ms

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 292ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	1217348930.mail.outlook.com	2a01:111:f403:c902::16 2a01:111:f403:c946::5 2a01:111:f403:f804::2 2a01:111:f403:f902::2 52.101.10.6 52.101.11.2 52.101.41.3 52.101.41.58	mail-byapr04cu00306.inbound.protection.outlook.com mail-ch4pr21cu00105.inbound.protection.outlook.com mail-co1pr05cu00402.inbound.protection.outlook.com mail-mn2pr02cu00202.inbound.protection.outlook.com mail-bn1pr21cu00106.inbound.protection.outlook.com mail-sn1pr03cu00102.inbound.protection.outlook.com mail-sj2pr05cu00103.inbound.protection.outlook.com mail-sj0pr02cu00102.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 → 40.104.116.56
🔶 Autoconfig	bulow-sorensen.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 386ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	2	5061	federation.messenger.msn.com

📝 TXT Records#

1 records 712ms

TXT Record
v=spf include:outlook.com ~all

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-10 20:45:01

www CNAME	bulow-sorensen.dk (all on bulow-sorensen.dk)
www vs bare domain	Neither resolves bulow-sorensen.dk: no address www.bulow-sorensen.dk: no address
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

480ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081001
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 2026-10-10 21:22:21

Field	Value
Registrar	ONE.COM A/S
Registered	2008-11-23
Expires	2026-11-30 (34d)

📋 WHOIS#

⏱️ Lookup Timing#

289ms

311ms

292ms

AAAA

322ms

TXT

712ms

CAA

288ms

HTTPS

308ms

TLSA

167ms

SOA

0ms

MTA-STS

386ms

DNSSEC

480ms

SRV

386ms

Total

4426ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 20:45:01	1064ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-29 15:42:44	974ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-27 18:49:47	587ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-18 02:25:19	1700ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-11 01:36:15	718ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 16:36:58	651ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-22 21:22:25	1123ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-21 21:20:38	13309ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-11 08:35:16 shown	4426ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-16 23:53:15	1090ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-15 05:13:06	9171ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-26 06:14:01	568ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-24 12:55:34	1149ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 07:09:43	1167ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 23:26:02	3021ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 17:40:08	548ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 17:40:03	696ms	2 NS 0 A 1 MX	🔒 Secure