netmester.dk DNS records

🖥️ Nameservers4 records 70ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-05.azure-dns.com	13.107.236.5 2603:1061:0:700::5	ns1-05.azure-dns.com ns1-05.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-05.azure-dns.net	150.171.21.5 2620:1ec:8ec:700::5	ns2-05.azure-dns.net ns2-05.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-05.azure-dns.org	204.14.183.5 2a01:111:4000:700::5	ns3-05.azure-dns.org ns3-05.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-05.azure-dns.info	208.84.5.5 2620:1ec:bda:700::5	ns4-05.azure-dns.info ns4-05.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.54.52.113	3600s	—	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	—

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	netmester-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca04::d 52.101.103.140 52.101.73.145 52.101.73.15 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am0pr83cu00404.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
🔶 Autoconfig	87.54.52.113

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 92ms

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

📝 TXT Records2 records 209ms

TXT Record
MS=ms20434026
v=spf1 include:spf.protection.outlook.com ip4:93.160.60.0/24 ip4:80.62.246.0/24 ip4:87.54.52.96/27 ip4:83.95.117.32/27 -all

✉️ SPF

Policy	Record (netmester.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:93.160.60.0/24 ip4:80.62.246.0/24 ip4:87.54.52.96/27 ip4:83.95.117.32/27 -all

📨 DMARC

Policy	Record (_dmarc.netmester.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:hosting@kruso.dk; ruf=mailto:hosting@kruso.dk; sp=reject; ri=604800;

📬 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)

🔐 DNSSEC105ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2022111790
Primary NS (MNAME)	ns1-05.azure-dns.com
Responsible (RNAME)	administrator@netmester.dk
Refresh	21600s
Retry	600s
Expire	1814400s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

70ms

A

45ms

MX

58ms

AAAA

58ms

TXT

209ms

CAA

64ms

HTTPS

59ms

TLSA

391ms

SOA

0ms

MTA-STS

75ms

DNSSEC

105ms

SRV

92ms

Total

1191ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 04:09:32	1191ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 13:45:32	1350ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:56:10	1235ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:03:50	3095ms	4 NS 1 A 1 MX	🔒 Secure	View