dahlkjaer.dk DNS records

🖥️ Nameservers2 records 39ms

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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.132	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dahlkjaer-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::5 2a01:111:f403:ca09::b 2a01:111:f403:ca48::8 52.101.68.25 52.101.73.12 52.101.73.2 52.101.73.30	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.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)1 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:23:d044:6b9d:f093	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 Records2 records 197ms

TXT Record
MS=ms54285580
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dahlkjaer.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)

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081501
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

39ms

A

54ms

MX

42ms

AAAA

64ms

TXT

197ms

CAA

42ms

HTTPS

63ms

TLSA

184ms

SOA

0ms

MTA-STS

73ms

DNSSEC

93ms

SRV

67ms

Total

987ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:00:47	987ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 15:48:46	987ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 10:21:54	17138ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 06:34:45	6584ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 21:38:46	2969ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:02:46	1239ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 19:39:12	938ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:45:00	874ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 23:40:28	761ms	2 NS 1 A 1 MX	🔒 Secure	View