christianc.dk DNS records

🖥️ Nameservers2 records 69ms

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 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.55.231.50	86400s	—	AS8075	Microsoft Corporation	157.55.0.0/16	🇺🇸 United States	Addison

📧 MX Records1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	christianc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09:: 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 52.101.68.12 52.101.68.18 52.101.68.36 52.101.73.2	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.98.16.63

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 119ms

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

📝 TXT Records2 records 328ms

TXT Record
MS=ms21971522
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.christianc.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@kedde.com;

📬 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)

🔐 DNSSEC146ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081301
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

69ms

A

63ms

MX

69ms

AAAA

53ms

TXT

328ms

CAA

45ms

HTTPS

71ms

TLSA

152ms

SOA

0ms

MTA-STS

76ms

DNSSEC

146ms

SRV

119ms

Total

1209ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-14 01:32:57	1209ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 15:48:29	9027ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 05:24:51	5080ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 04:22:43	869ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:41:09	816ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:40:46	476ms	2 NS 1 A 1 MX	🔒 Secure	View