mestermadsen.dk DNS records

🖥️ Nameservers3 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	mestermadsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca09::f 52.101.68.21 52.101.68.39 52.101.73.16 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00607.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	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 113ms

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

✉️ SPF

Policy	Record (mestermadsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.mestermadsen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email

📬 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.mestermadsen.dk	YGPR93RI-pTBzQECxk0zOCSU5MRmXubqTU6B0FYcho8

🔗 TLSA / DANE

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

🔐 DNSSEC9066ms

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

🏷️ SOA25ms

Field	Value
Serial	2026061615
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

32ms

MX

28ms

AAAA

17ms

TXT

113ms

CAA

26ms

HTTPS

26ms

TLSA

732ms

SOA

25ms

MTA-STS

48ms

DNSSEC

9066ms

SRV

35ms

Total

10369ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 14:48:48	10369ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 01:00:19	4796ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 11:54:10	1155ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 00:33:57	857ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 20:49:56	1886ms	3 NS 1 A 1 MX	🔓 Insecure	View