derch.dk DNS records

🖥️ Nameservers2 records 71ms

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 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.123	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	derch-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 2a01:111:f403:ca09::f 52.101.68.16 52.101.68.5 52.101.73.19 52.101.73.22	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.24

🔷 AAAA Records (IPv6)1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:80dd:4f9:11b8:9532	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 Records3 records 263ms

TXT Record
MS=ms33399296
P-MW9eyVLXXR
v=spf1 include:spf.protection.outlook.com include:spf.permido.com ~all

✉️ SPF

Policy	Record (derch.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf.permido.com ~all

📨 DMARC

Policy	Record (_dmarc.derch.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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)

🔐 DNSSEC159ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026080705
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

71ms

A

56ms

MX

44ms

AAAA

42ms

TXT

263ms

CAA

49ms

HTTPS

69ms

TLSA

764ms

SOA

0ms

MTA-STS

96ms

DNSSEC

159ms

SRV

141ms

Total

1833ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 20:31:49	1833ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 23:34:52	1181ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-17 01:33:59	5475ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 20:38:41	1142ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 12:20:13	940ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 13:50:54	915ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 02:05:53	549ms	2 NS 1 A 1 MX	🔓 Insecure	View