tapcert.dk

📜 Historical scan 2026-08-26 17:23:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tapcert.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 23 October 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.64 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by tapcert-dk.mail.protection.outlook.com. 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#

4 records 59ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.64	3600s	linux30.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	tapcert-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::20 2a01:111:f403:ca09::3 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.32 52.101.73.126 52.101.73.155	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.24
🔶 Autoconfig	maildiscover.outlookmail.dk

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 75ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscoverredirect.outlookmail.dk

📝 TXT Records#

2 records 166ms

TXT Record
MS=AC168B4FB2E10FB5717A7A586430612F202B0563
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (tapcert.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 2026-10-13 03:20:18

www	94.231.109.64 (AS48854) (address records, no CNAME)
www vs bare domain	Same network tapcert.dk: 94.231.109.64 (AS48854) www.tapcert.dk: 94.231.109.64 (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

🔎 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#

77ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2022020403
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 2026-09-30 17:30:19

Field	Value
Registrar	Simply.com A/S
Registered	2014-10-23
Expires	2026-10-31 (13d)

📋 WHOIS#

⏱️ Lookup Timing#

59ms

47ms

66ms

AAAA

41ms

TXT

166ms

CAA

60ms

HTTPS

48ms

TLSA

620ms

SOA

0ms

MTA-STS

51ms

DNSSEC

77ms

SRV

75ms

Total

1416ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:20:18	1126ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-08 23:12:29	1357ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-05 17:27:14	1245ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 17:11:52	2655ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-23 15:21:58	743ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 17:23:07 shown	1416ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 20:55:36	868ms	4 NS 1 A 1 MX	🔒 Secure