tand4u.dk

📜 Historical scan 2026-06-18 05:54:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tand4u.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.46.3.99 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by tand4u-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.46.3.99	—	dedi899.your-server.de	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 107ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	tand4u-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 2a01:111:f403:ca09:: 2a01:111:f403:ca09::3 52.101.68.27 52.101.73.15 52.101.73.26 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 52.98.149.136
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 2169ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:mailgun.org ip4:193.8.36.0/22 ip4:40.95.51.47 -all

✉️ SPF#

Policy	Record (tand4u.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailgun.org ip4:193.8.36.0/22 ip4:40.95.51.47 -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 2026-10-09 18:51:36

www	78.46.3.99 (AS24940) (address records, no CNAME)
www vs bare domain	Same network tand4u.dk: 78.46.3.99 (AS24940) www.tand4u.dk: 78.46.3.99 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

133ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'tand4u.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

41ms

Field	Value
Serial	2023112201
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

44ms

39ms

107ms

AAAA

43ms

TXT

2169ms

CAA

42ms

HTTPS

75ms

TLSA

355ms

SOA

41ms

MTA-STS

82ms

DNSSEC

133ms

SRV

145ms

Total

2970ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-28 08:53:21	1163ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 17:29:02	915ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 15:02:32	2108ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 21:54:24	842ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:54:57 shown	2970ms	2 NS 1 A 1 MX	⚠️ Bogus