duwaldline.dk DNS records

🖥️ Nameservers2 records 31ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.9.90.188	600s	host6.slyde.dk	AS24940	Hetzner Online GmbH	5.9.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records3 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	duwaldline-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::6 2a01:111:f403:ca09::26 52.101.68.10 52.101.68.12 52.101.73.15 52.101.73.30	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.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
10	3600s	mxa.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC
10	3600s	mxb.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 119ms

TXT Record
v=spf1 ip4:116.203.122.199 include:eu.mailgun.org include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (duwaldline.dk)
-all (hard fail)	v=spf1 ip4:116.203.122.199 include:eu.mailgun.org 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.duwaldline.dk	9t5SU9BS6b1bO9Skd0YFF1tp7zVKofdNwwSy9YfFmQI

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

31ms

A

31ms

MX

27ms

AAAA

32ms

TXT

119ms

CAA

24ms

HTTPS

27ms

TLSA

367ms

SOA

0ms

MTA-STS

39ms

DNSSEC

100ms

SRV

59ms

Total

918ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 22:47:20	918ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-27 11:26:55	1006ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-07 15:30:36	6113ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-28 08:46:35	1132ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 17:06:41	1343ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 06:58:34	996ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 03:38:38	873ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-19 23:57:32	809ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-17 05:05:49	836ms	2 NS 1 A 3 MX	🔒 Secure	View