bulow-sorensen.dk DNS records

🖥️ Nameservers2 records 45ms

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 Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	1217348930.mail.outlook.com	2a01:111:f403:c946::5 2a01:111:f403:f908::1 2a01:111:f403:f90a::4 2a01:111:f403:f90d::1 40.93.192.1 52.101.60.148 52.101.60.173 52.101.9.0	mail-ch4pr21cu00105.inbound.protection.outlook.com mail-bn1pr04cu00101.inbound.protection.outlook.com mail-bnypr04cu00104.inbound.protection.outlook.com mail-sn1pr0501cu00301.inbound.protection.outlook.com mail-dm5pr02cu00201.inbound.protection.outlook.com mail-bnypr04cu00104.inbound.protection.outlook.com mail-bn3pr0501cu00105.inbound.protection.outlook.com mail-bl2pr02cu00100.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 → 40.99.204.40
🔶 Autoconfig	bulow-sorensen.dk

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 75ms

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

📝 TXT Records1 records 177ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC87ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

45ms

A

42ms

MX

49ms

AAAA

33ms

TXT

177ms

CAA

36ms

HTTPS

56ms

TLSA

77ms

SOA

0ms

MTA-STS

52ms

DNSSEC

87ms

SRV

75ms

Total

651ms

🕐 Scan History

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