datasign.dk

📜 Historical scan 2026-07-01 23:34:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

datasign.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 25 May 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.105 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by datasign-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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.105	3600s	linux226.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	datasign-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 52.101.68.25 52.101.68.32 52.101.73.1 52.101.73.26	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.8
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 53ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

3 records 200ms

TXT Record
google-site-verification=tXjRV6BovsA3xTBwmzsrP6UIi4RvVQsxCFTWjdrRHb4
mailerlite-domain-verification=8ae4acc58012476cf0148318dfbb1e58b7be9f0d
v=spf1 a mx include:spf.protection.outlook.com include:mail.zendesk.com include:_spf.mlsend.com ~all

✉️ SPF#

Policy	Record (datasign.dk)
~all (soft fail)	v=spf1 a mx include:spf.protection.outlook.com include:mail.zendesk.com include:_spf.mlsend.com ~all

📨 DMARC#

Policy	Record (_dmarc.datasign.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-08 03:48:26

www	93.191.156.105 (AS48854) (address records, no CNAME)
www vs bare domain	Same network datasign.dk: 93.191.156.105 (AS48854) www.datasign.dk: 93.191.156.105 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u7259658.wl159.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u7259658.wl159.sendgrid.net	RSA · ~1024 bit below 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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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

🏷️ SOA#

32ms

Field	Value
Serial	2026032600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-10 03:38:17

Field	Value
Registrar	Simply.com A/S
Registered	2001-05-25
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

35ms

46ms

AAAA

38ms

TXT

200ms

CAA

33ms

HTTPS

34ms

TLSA

524ms

SOA

32ms

MTA-STS

42ms

DNSSEC

59ms

SRV

53ms

Total

1250ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:48:26	933ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 17:32:20	821ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 17:17:13	1011ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-25 19:40:26	1316ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-07 23:14:13	1187ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:34:54 shown	1250ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:05:09	924ms	4 NS 1 A 1 MX	🔒 Secure