art-tek.dk DNS records

🖥️ Nameservers4 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.134.13.79	1800s	yanco.gds.guru.net.uk	AS34282	Team Blue Carrier Limited	5.134.8.0/21	🇬🇧 United Kingdom	—

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arttek-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::6 2a01:111:f403:ca09::3 2a01:111:f403:ca09::a 52.101.181.153 52.101.68.10 52.101.68.5 52.101.73.16	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 91ms

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

📝 TXT Records4 records 210ms

TXT Record
google-site-verification=ew7_XCbJSnOiClgypgtHXFwYsKRKR23_ROpdFGOIiQ0
mscid=Hl21em+3QhUWVl13ei6V6DqcALM2+lMoL5ekFlyEGJ7mF981O7vTocXhhVrJizQpRcQEIz77yYgaqHjFApDQeQ==
v=spf1 include:spf.protection.outlook.com include:spf.zoho.eu include:eu.transmail.net include:sender.zohocrm.eu include:sendgrid.net ip4:5.134.13.79 ip4:130.185.140.138 -all
zsfxgccb4vg97rcck9sfkvjw3d9f4p5l

✉️ SPF

Policy	Record (art-tek.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.zoho.eu include:eu.transmail.net include:sender.zohocrm.eu include:sendgrid.net ip4:5.134.13.79 ip4:130.185.140.138 -all

📨 DMARC

Policy	Record (_dmarc.art-tek.dk)
p=reject	v=DMARC1; p=reject

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC115ms

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	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

33ms

MX

37ms

AAAA

58ms

TXT

210ms

CAA

63ms

HTTPS

43ms

TLSA

681ms

SOA

0ms

MTA-STS

71ms

DNSSEC

115ms

SRV

91ms

Total

1655ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:32:39	1655ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 00:47:20	1597ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 13:41:20	921ms	4 NS 1 A 1 MX	🔓 Insecure	View