20201570.dk DNS records

🖥️ Nameservers2 records 51ms

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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	20201570-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::e 52.101.68.25 52.101.68.29 52.101.73.22 52.101.73.30	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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

📝 TXT Records2 records 167ms

TXT Record
MS=ms31305979
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (20201570.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.20201570.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:Dmarc+juul@bjcomputers.dk; fo=1

📬 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	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

51ms

A

45ms

MX

36ms

AAAA

44ms

TXT

167ms

CAA

43ms

HTTPS

65ms

TLSA

369ms

SOA

0ms

MTA-STS

71ms

DNSSEC

87ms

SRV

73ms

Total

938ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 06:33:26	938ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 02:24:50	1225ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 13:42:58	1618ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 18:45:39	1088ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 21:42:01	697ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:12:43	2327ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 20:41:42	1104ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 10:24:07	679ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 11:39:02	751ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:54:25	1521ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:54:12	1587ms	2 NS 1 A 1 MX	🔒 Secure	View