20480082.dk DNS records

🖥️ Nameservers2 records 43ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
127.0.0.1	7200s	localhost	—	—	—	—	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	20480082-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::28 2a01:111:f403:ca09::7 52.101.103.143 52.101.68.25 52.101.73.11 52.101.73.19	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.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	127.0.0.1

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 77ms

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

📝 TXT Records2 records 276ms

TXT Record
MS=ms64991791
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (20480082.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)

🔐 DNSSEC114ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

43ms

A

48ms

MX

42ms

AAAA

62ms

TXT

276ms

CAA

64ms

HTTPS

47ms

TLSA

310ms

SOA

0ms

MTA-STS

100ms

DNSSEC

114ms

SRV

77ms

Total

994ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 21:24:23	994ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 19:14:48	2686ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 06:44:08	1725ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 13:46:29	910ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 03:39:45	619ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 04:20:24	1189ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 15:49:31	499ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:00:17	1752ms	2 NS 1 A 1 MX	🔒 Secure	View