dkmailer.dk

📜 Historical scan 2026-08-12 09:29:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dkmailer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 April 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.221.196.226 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by dkmailer-dk.mail.protection.outlook.com, gratisdanmark-dk.mail.protection.outlook.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 235ms

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 228ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.221.196.226	600s	—	AS51468	One.com A/S	91.221.196.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 201ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	dkmailer-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::5 2a01:111:f403:ca09::6 2a01:111:f403:ca09::7 52.101.68.0 52.101.68.21 52.101.68.3 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.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
0	600s	gratisdanmark-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::f 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.21 52.101.68.8 52.101.73.16	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.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
0	600s	pressedanmark-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.18 52.101.68.5 52.101.73.12	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.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
0	600s	ube-dk.mail.protection.outlook.com	2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 2a01:111:f403:ca09::b 2a01:111:f403:ca09::d 52.101.68.3 52.101.73.19 52.101.73.2 52.101.73.8	mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.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	600s	contoso.onmicrosoft.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	91.221.196.226

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 672ms

TXT Record
MS=ms48810874
MS=ms69877620
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dkmailer.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 12:21:15

www	91.221.196.226 (AS51468) (address records, no CNAME)
www vs bare domain	Same network dkmailer.dk: 91.221.196.226 (AS51468) www.dkmailer.dk: 91.221.196.226 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

532ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 19:27:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-04-12
Expires	2027-06-30 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

235ms

228ms

201ms

AAAA

213ms

TXT

672ms

CAA

233ms

HTTPS

234ms

TLSA

548ms

SOA

0ms

MTA-STS

407ms

DNSSEC

532ms

SRV

376ms

Total

8706ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 12:21:15	1410ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-29 22:00:47	1110ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-10 15:26:43	2641ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-25 11:58:59	1064ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-21 15:57:33	6706ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-12 09:29:05 shown	8706ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-25 06:29:37	50149ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-15 04:52:32	10304ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-11 07:53:29	5578ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-22 10:59:57	3725ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-21 13:35:35	2185ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-21 00:46:20	1130ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 03:45:36	885ms	2 NS 1 A 5 MX	🔒 Secure