assurement.dk

📜 Historical scan 2026-07-01 23:04:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

assurement.dk is a .dk domain served by 2 nameservers (pdns03.domaincontrol.com, pdns04.domaincontrol.com). It was registered on 1 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.249.255.140 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by assurement-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
pdns03.domaincontrol.com	2603:5:21f0::33 97.74.111.51	pdns03.domaincontrol.com pdns03.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
pdns04.domaincontrol.com	173.201.79.51 2603:5:22f0::33	pdns04.domaincontrol.com pdns04.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records#

1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.249.255.140	600s	ec2-3-249-255-140.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.240.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	assurement-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 2a01:111:f403:ca09::b 52.101.68.3 52.101.73.12 52.101.73.15 52.101.73.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 90ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 248ms

TXT Record
NETORG16843922.onmicrosoft.com
v=spf1 include:amazonses.com ~all
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (assurement.dk)
~all (soft fail)	v=spf1 include:amazonses.com ~all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.assurement.dk)
p=quarantine	v=DMARC1; p=quarantine;
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@assurement.dk; ruf=mailto:dmarc@assurement.dk; adkim=r; aspf=r;

📬 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 2026-10-08 21:47:11

www CNAME	assurement.dk (all on assurement.dk) → 3.249.255.140 (AS16509)
www vs bare domain	Same network assurement.dk: 3.249.255.140 (AS16509) www.assurement.dk: 3.249.255.140 (AS16509)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-assurement-dk._domainkey.netorg16843922.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-assurement-dk._domainkey.netorg16843922.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: 1/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026070113
Primary NS (MNAME)	pdns03.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 00:23:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-07-01
Expires	2027-06-30 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

47ms

52ms

AAAA

45ms

TXT

248ms

CAA

50ms

HTTPS

45ms

TLSA

269ms

SOA

0ms

MTA-STS

75ms

DNSSEC

114ms

SRV

90ms

Total

1876ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 16:11:43	9793ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 11:23:59	2062ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 18:12:05	1486ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-24 19:38:56	2938ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-18 08:59:08	4700ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-09 04:41:00	2984ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-01 23:04:37 shown	1876ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-30 01:32:46	988ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-22 04:41:17	1441ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:54:25	2746ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:46:31	684ms	2 NS 2 A 1 MX	🔓 Insecure