3tech.dk DNS records

🖥️ Nameservers2 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
kurt.ns.cloudflare.com	108.162.193.193 172.64.33.193 173.245.59.193 2606:4700:58::adf5:3bc1 2803:f800:50::6ca2:c1c1 2a06:98c1:50::ac40:21c1	kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nadia.ns.cloudflare.com	108.162.192.207 172.64.32.207 173.245.58.207 2606:4700:50::adf5:3acf 2803:f800:50::6ca2:c0cf 2a06:98c1:50::ac40:20cf	nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.142	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.103	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	3tech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::7 2a01:111:f403:ca09:: 2a01:111:f403:ca09::5 52.101.68.39 52.101.73.1 52.101.73.11 52.101.73.19	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔷 AAAA Records (IPv6)2 records 67ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:338e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:b567	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 67ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.142,172.67.181.103 ech=AEX+DQBBwAAgACBF1bgqeOMCaXiIl6mWRVaPuJ4v0WakgldpZFV2wEOCTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:338e,2606:4700:3032::ac43:b567

📝 TXT Records8 records 259ms

TXT Record
2np78254c19lheg1drk93m4au5
3slu8f0sp63htmr445is94uiag
google-site-verification=NGLMN_ccVe0vfbk48XlXYHjy2-iQ1F2QCrQAc8zhuOQ
hng7jt2mdkn6ok1cev8h34g32p
l8henbaai5qsao811e3ah7au1v
MS=ms83840788
v=spf1 include:spf.protection.outlook.com -all
WB=vavc8tb82U+hR0LTnGpmPg

✉️ SPF

Policy	Record (3tech.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

🔗 TLSA / DANE

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

🔐 DNSSEC122ms

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	2411930970
Primary NS (MNAME)	kurt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

85ms

MX

53ms

AAAA

67ms

TXT

259ms

CAA

91ms

HTTPS

67ms

TLSA

784ms

SOA

0ms

MTA-STS

95ms

DNSSEC

122ms

SRV

105ms

Total

2270ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:21:52	1507ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-12 07:27:04	2270ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-06 02:26:22	1761ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 09:24:51	959ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 12:59:10	1959ms	2 NS 2 A 1 MX	🔓 Insecure	View