christopherstein.dk DNS records

🖥️ Nameservers2 records 49ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.54.5.126	43200s	—	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	—

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	christopherstein-dk.mail.protection.outlook.com	2a01:111:f403:c902::7 2a01:111:f403:c922::2 2a01:111:f403:f902::2 2a01:111:f403:f90f:: 52.101.10.8 52.101.41.26 52.101.41.28 52.101.8.46	mail-sj0pr02cu00107.inbound.protection.outlook.com mail-bl0pr02cu00702.inbound.protection.outlook.com mail-mn2pr02cu00202.inbound.protection.outlook.com mail-sa9pr04cu00100.inbound.protection.outlook.com mail-bn1pr04cu00100.inbound.protection.outlook.com mail-sj0pr03cu01702.inbound.protection.outlook.com mail-sj0pr03cu01504.inbound.protection.outlook.com mail-dm6pr05cu00406.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	87.54.5.126

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 199ms

TXT Record
MS=ms57142563
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (christopherstein.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)

🔐 DNSSEC92ms

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

49ms

A

55ms

MX

44ms

AAAA

56ms

TXT

199ms

CAA

48ms

HTTPS

46ms

TLSA

180ms

SOA

0ms

MTA-STS

79ms

DNSSEC

92ms

SRV

84ms

Total

954ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:16:40	954ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 12:03:52	1205ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 03:21:05	9282ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 13:11:59	1370ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 23:48:39	1116ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:46:13	6627ms	2 NS 1 A 1 MX	🔒 Secure	View