tamtron.dk DNS records

🖥️ Nameservers3 records 38ms

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 Records2 records 47ms

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 Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tamtron-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 52.101.103.39 52.101.185.24 52.101.68.15 52.101.68.27	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.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	fi-e.seravo.com → 95.216.30.3

🔷 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 Records1 records 103ms

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

📝 TXT Records2 records 251ms

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

🔏 ACME Challenge

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

🔗 TLSA / DANE

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

🔐 DNSSEC73ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	1788393600
Primary NS (MNAME)	ns1.gandi.net
Responsible (RNAME)	hostmaster@gandi.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

47ms

MX

40ms

AAAA

49ms

TXT

251ms

CAA

49ms

HTTPS

45ms

TLSA

366ms

SOA

0ms

MTA-STS

123ms

DNSSEC

73ms

SRV

103ms

Total

1918ms

🕐 Scan History

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