johannes-petersen.dk DNS records

🖥️ Nameservers2 records 218ms

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 187ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.157	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 251ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	johannespetersen-dk02b.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::1 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.68.10 52.101.68.15 52.101.68.32 52.101.73.12	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.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)1 records 215ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:ea:ac58:8550:42a8	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 496ms

TXT Record
v=spf1 ip4:128.77.138.173 ip4:85.191.37.102 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (johannes-petersen.dk)
-all (hard fail)	v=spf1 ip4:128.77.138.173 ip4:85.191.37.102 include:spf.protection.outlook.com include:_custspf.one.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)

🔐 DNSSEC332ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080801
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

218ms

A

187ms

MX

251ms

AAAA

215ms

TXT

496ms

CAA

293ms

HTTPS

157ms

TLSA

1637ms

SOA

0ms

MTA-STS

269ms

DNSSEC

332ms

SRV

302ms

Total

5760ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-09 18:07:35	5760ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 23:03:31	1288ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 15:14:49	1406ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:14:58	802ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 22:13:30	956ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 19:24:59	2132ms	2 NS 1 A 1 MX	🔒 Secure	View