nielstm.dk DNS records

🖥️ Nameservers2 records 87ms

Nameserver	IP addresses	PTR	ASN / ISP
gabriella.ns.cloudflare.com	108.162.194.134 162.159.38.134 172.64.34.134 2606:4700:50::a29f:2686 2803:f800:50::6ca2:c286 2a06:98c1:50::ac40:2286	gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com gabriella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 86ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.167	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.159.211	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	nielstm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::4 52.101.68.10 52.101.73.11 52.101.73.16 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.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	104.21.82.167

🔷 AAAA Records (IPv6)2 records 96ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:52a7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9fd3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 134ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.167,172.67.159.211 ech=AEX+DQBBugAgACAXUf+23YDboba4db+V6/wsezT/zYza/z19G+HggcsuXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:52a7,2606:4700:3036::ac43:9fd3

🔌 SRV Records1 records 160ms

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

📝 TXT Records1 records 301ms

TXT Record
v=spf1 a include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (nielstm.dk)
-all (hard fail)	v=spf1 a 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.nielstm.dk	PjX5_d3V8y7NxSVsnFQZqzRKWLjtDEyjOZSbBJ7vi0E
TXT	_acme-challenge.nielstm.dk	a-7xm2sOL6KDMmB4YeqMHjQfKuJ9PmxOUmUo5bbeegs

🔗 TLSA / DANE

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

🔐 DNSSEC195ms

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	2413277122
Primary NS (MNAME)	gabriella.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

87ms

A

86ms

MX

85ms

AAAA

96ms

TXT

301ms

CAA

117ms

HTTPS

134ms

TLSA

388ms

SOA

0ms

MTA-STS

189ms

DNSSEC

195ms

SRV

160ms

Total

1356ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:15:55	1356ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 14:06:52	788ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-22 22:14:47	2229ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 21:24:54	3001ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 07:29:15	2429ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 13:10:14	2851ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 19:41:47	1259ms	2 NS 2 A 1 MX	🔓 Insecure	View