tamtron.dk

📜 Historical scan 2026-07-01 20:11:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tamtron.dk is a .dk domain served by 3 nameservers (ns-137-b.gandi.net, ns-158-a.gandi.net, ns-193-c.gandi.net). It was registered on 1 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.126.134 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by tamtron-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

3 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-137-b.gandi.net	2001:4b98:aaab::8a 213.167.230.138	ns-137-b.gandi.net ns-137-b.gandi.net	AS209453 GANDI SAS AS209453 GANDI SAS
ns-158-a.gandi.net	173.246.100.159 2001:4b98:aaaa::9f	ns-158-a.gandi.net ns-158-a.gandi.net	AS209453 GANDI SAS AS209453 GANDI SAS
ns-193-c.gandi.net	217.70.187.194 2604:3400:aaac::c2	ns-193-c.gandi.net ns-193-c.gandi.net	AS209453 GANDI SAS AS209453 GANDI SAS

🌍 A Records#

2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.181.126.134	10800s	host-135-181-126-134.seravo.net	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki
95.216.30.3	10800s	host-95-216-30-3.seravo.net	AS24940	Hetzner Online GmbH	95.216.0.0/15	🇫🇮 Finland	Helsinki

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tamtron-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 52.101.73.11 52.101.73.15 52.101.73.28 52.101.73.6	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.40
🔶 Autoconfig	fi-e.seravo.com → 135.181.126.134

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f9:fff1:42::2	10800s	host-95-216-30-3.seravo.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—
2a01:4f9:fff1:43::2	10800s	host-135-181-126-134.seravo.net	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 104ms

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

📝 TXT Records#

2 records 282ms

TXT Record
MS=ms45483020
v=spf1 ip4:194.137.111.66 ip4:194.137.111.73 ip4:194.137.111.67 include:spf.protection.outlook.com include:4137920.spf03.hubspotemail.net include:sendgrid.net include:8915547.spf04.hubspotemail.net -all

✉️ SPF#

Policy	Record (tamtron.dk)
-all (hard fail)	v=spf1 ip4:194.137.111.66 ip4:194.137.111.73 ip4:194.137.111.67 include:spf.protection.outlook.com include:4137920.spf03.hubspotemail.net include:sendgrid.net include:8915547.spf04.hubspotemail.net -all

📨 DMARC#

Policy	Record (_dmarc.tamtron.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 2026-10-18 15:58:04

www CNAME	fi-e.seravo.com (all on seravo.com) → 135.181.126.134 95.216.30.3 2a01:4f9:fff1:42::2 2a01:4f9:fff1:43::2 (AS24940)
www vs bare domain	Same network tamtron.dk: 135.181.126.134 95.216.30.3 2a01:4f9:fff1:42::2 2a01:4f9:fff1:43::2 (AS24940) www.tamtron.dk: 135.181.126.134 95.216.30.3 2a01:4f9:fff1:42::2 2a01:4f9:fff1:43::2 (AS24940)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.tamtron.dk	b1bc416b29645c5331eba21f97d8891e_tamtrondk.v1.seravocerts.com
TXT	b1bc416b29645c5331eba21f97d8891e_tamtrondk.v1.seravocerts.com	CMshv8rXue6Sg46jWwzfIl5et86ZQUvqn32H8kvhddg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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	1782889308
Primary NS (MNAME)	ns1.gandi.net
Responsible (RNAME)	hostmaster@gandi.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration#

WHOIS fetched 2026-10-17 15:23:36

Field	Value
Registrar	GANDI SAS
Registered	2022-04-01
Expires	2027-03-31 (162d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
vaegte.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

34ms

35ms

AAAA

49ms

TXT

282ms

CAA

45ms

HTTPS

48ms

TLSA

343ms

SOA

0ms

MTA-STS

106ms

DNSSEC

100ms

SRV

104ms

Total

2736ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 15:58:03	4952ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-17 14:59:35	5469ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-15 11:02:20	3651ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-09 00:04:49	1569ms	3 NS 2 A 1 MX	🔓 Insecure
2026-10-01 20:03:24	1326ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-30 19:55:19	1896ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-24 20:23:24	1724ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-22 13:31:53	2786ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-11 11:27:00	3837ms	3 NS 2 A 1 MX	🔓 Insecure
2026-09-04 05:35:44	1918ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-30 13:17:00	3807ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-27 16:13:47	2784ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-20 15:47:18	1983ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-13 22:02:31	1752ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-09 03:48:23	3863ms	3 NS 2 A 1 MX	🔓 Insecure
2026-08-02 22:21:53	2205ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-23 05:37:54	4707ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-17 13:17:19	2407ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-09 04:23:32	2961ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-03 19:42:05	11707ms	3 NS 2 A 1 MX	🔓 Insecure
2026-07-01 20:11:48 shown	2736ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-25 08:49:57	3182ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-25 06:17:20	1660ms	3 NS 2 A 1 MX	🔓 Insecure
2026-06-17 23:30:45	3618ms	3 NS 2 A 1 MX	⚠️ Bogus