madsen-it.dk DNS records

🖥️ Nameservers2 records 47ms

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 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.171.172	3600s	cp12.nordicway.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	madsenit-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 52.101.73.123 52.101.73.26 52.101.73.30 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 79ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 195ms

TXT Record
MS=ms88726711
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (madsen-it.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)

🔐 DNSSEC81ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

47ms

A

62ms

MX

63ms

AAAA

71ms

TXT

195ms

CAA

55ms

HTTPS

35ms

TLSA

315ms

SOA

0ms

MTA-STS

66ms

DNSSEC

81ms

SRV

79ms

Total

1124ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:14:42	1124ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 20:27:32	1306ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 05:47:59	4375ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 09:43:14	1330ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 05:16:15	1135ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:34:38	704ms	2 NS 1 A 1 MX	🔒 Secure	View