m5byg.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	600s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	m5byg-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::6 2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 52.101.68.12 52.101.68.15 52.101.68.36 52.101.68.39	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 52.98.149.152
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 186ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 272ms

TXT Record
MS=ms65816717
v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net -all

✉️ SPF

Policy	Record (m5byg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net -all

📨 DMARC

Policy	Record (_dmarc.m5byg.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6385dd9b2da32@dmarc.centerasecurity.com;

📬 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)

🔐 DNSSEC116ms

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

🏷️ SOA91ms

Field	Value
Serial	2023101101
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

43ms

MX

62ms

AAAA

40ms

TXT

272ms

CAA

77ms

HTTPS

42ms

TLSA

227ms

SOA

91ms

MTA-STS

46ms

DNSSEC

116ms

SRV

186ms

Total

911ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 17:17:39	911ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 02:10:46	2735ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 00:40:09	3177ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:11:13	3733ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 07:00:58	937ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 10:12:13	771ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 01:50:44	1181ms	2 NS 1 A 1 MX	🔒 Secure	View