assure.dk

📜 Historical scan 2026-06-27 04:27:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

assure.dk is a .dk domain served by 4 nameservers (ns1.nhl-data.dk, ns2.nhl-data.dk, ns3.nhl-data.dk and 1 more). It was registered on 29 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.13.122 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by assure-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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#

4 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nhl-data.dk	185.136.96.11 2a06:fb00:1::1:11	ns1.nhl-data.dk ns1.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns2.nhl-data.dk	185.136.97.11 2a06:fb00:1::2:11	ns2.nhl-data.dk ns2.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns3.nhl-data.dk	185.136.98.11 2a06:fb00:1::3:11	ns3.nhl-data.dk ns3.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd
ns4.nhl-data.dk	185.136.99.11 2a06:fb00:1::4:11	ns4.nhl-data.dk ns4.nhl-data.dk	AS203391 Cloud DNS Ltd AS203391 Cloud DNS Ltd

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.13.122	3600s	s6.stom.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	—

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	assure-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.68.18 52.101.73.12 52.101.73.2 52.101.73.28	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 398ms

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

📝 TXT Records#

4 records 248ms

TXT Record
atlassian-domain-verification=fjLCiOm9WNpaSjnL11AWiVg8UDQ0efW3WhwEXed71rKbOI9NsocLXTWa2anbEhdH
MS=ms34664341
P-zUDtKZVe5A
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.permido.com include:spf.stom.dk include:sendgrid.net -all

✉️ SPF#

Policy	Record (assure.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com include:spf.permido.com include:spf.stom.dk include:sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.assure.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:6a3e7feca252b@dmarc-dk.centerasecurity.com;

📬 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 02:46:42

www	87.116.13.122 (AS31027) (address records, no CNAME)
www vs bare domain	Same network assure.dk: 87.116.13.122 (AS31027) www.assure.dk: 87.116.13.122 (AS31027)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u2119829.wl080.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u2119829.wl080.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-assure-dk._domainkey.assurewealth.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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

137ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026062602
Primary NS (MNAME)	ns1.nhl-data.dk
Responsible (RNAME)	hostmaster@nhl-data.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-10 03:16:31

Field	Value
Registrar	NHL DATA ApS
Registered	2003-12-29
Expires	2032-12-31 (2267d)

📋 WHOIS#

⏱️ Lookup Timing#

63ms

72ms

73ms

AAAA

69ms

TXT

248ms

CAA

55ms

HTTPS

66ms

TLSA

211ms

SOA

0ms

MTA-STS

77ms

DNSSEC

137ms

SRV

398ms

Total

1406ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 02:46:42	2486ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-03 20:56:00	1217ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-26 20:10:15	790ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-16 03:18:18	5850ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-25 15:31:03	1343ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-24 18:23:41	2784ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-12 09:16:24	1457ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-07 04:46:35	1643ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-14 21:04:16	1502ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 04:27:23 shown	1406ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 08:56:42	721ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 08:14:04	1237ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:05:00	2694ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:46:32	814ms	4 NS 1 A 1 MX	🔒 Secure