dahlhansen.dk DNS records

🖥️ Nameservers2 records 31ms

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 Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.55.225.170	43200s	—	AS8075	Microsoft Corporation	157.55.0.0/16	🇺🇸 United States	Delano

📧 MX Records1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dahlhansen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::1 2a01:111:f403:ca09::26 2a01:111:f403:ca09::f 52.101.73.145 52.101.73.155 52.101.73.28 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 71ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 162ms

TXT Record
MS=ms94912953
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dahlhansen.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

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080101
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

31ms

A

40ms

MX

70ms

AAAA

36ms

TXT

162ms

CAA

75ms

HTTPS

36ms

TLSA

593ms

SOA

0ms

MTA-STS

97ms

DNSSEC

109ms

SRV

71ms

Total

1195ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 23:11:58	1195ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 02:07:42	1941ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 04:13:29	1248ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 16:49:25	693ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:50:39	682ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:41:22	3585ms	2 NS 1 A 1 MX	🔒 Secure	View