derch.dk

📜 Historical scan 2026-10-03 16:16:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

derch.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.123 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by derch-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

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 Records#

1 records 33ms

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 Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	derch-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::d 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::10 52.101.103.36 52.101.68.21 52.101.68.27 52.101.68.39	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.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

🔷 AAAA Records (IPv6)#

1 records 41ms

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 Records#

3 records 171ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 02:35:19

www	46.30.215.123 2a02:2350:5:111:80dd:4f9:11b8:9532 (AS51468) (address records, no CNAME)
www vs bare domain	Same network derch.dk: 46.30.215.123 2a02:2350:5:111:80dd:4f9:11b8:9532 (AS51468) www.derch.dk: 46.30.215.123 2a02:2350:5:111:80dd:4f9:11b8:9532 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-derch-dk._domainkey.derchdk.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-derch-dk._domainkey.derchdk.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

33ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

33ms

36ms

AAAA

41ms

TXT

171ms

CAA

34ms

HTTPS

40ms

TLSA

509ms

SOA

33ms

MTA-STS

51ms

DNSSEC

56ms

SRV

83ms

Total

895ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 00:41:38	1179ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-03 16:16:45 shown	895ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-10 01:14:25	814ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-08 20:31:49	1833ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-27 23:34:52	1181ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-17 01:33:59	5475ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-28 20:38:41	1142ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-28 12:20:13	940ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-21 13:50:54	915ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 02:05:53	549ms	2 NS 1 A 1 MX	🔓 Insecure