master.dk DNS records

🖥️ Nameservers2 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.cscdns.net	156.154.130.100 2610:a1:1022::100	spdns3.cscdns.net ns1.ascio.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
dns2.cscdns.net	156.154.131.100 2610:a1:1023::100	ns4.ascio.net ns3.domainnetwork.com	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records2 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	14400s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—
172.66.0.125	14400s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	—	—

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	master-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 52.101.68.12 52.101.68.36 52.101.73.16 52.101.73.2	mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 326ms

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

📝 TXT Records5 records 689ms

TXT Record
5nIMsOpYPYRJBKgd9BESW/m6RSXqVucwsAltY+21V4g=
google-site-verification=IR0XgE_c2gA7D_6bbEGMscaEHbWngeRoa4br2VO61EM
google-site-verification=zIcyGXNDSqCMmG5iwGdKAxAB_VwIilmjUl92up9sIiE
MS=ms31019970
v=spf1 include:spf.protection.outlook.com include:mailmailmail.net ip4:52.169.166.232 include:6534510.spf08.hubspotemail.net -all

✉️ SPF

Policy	Record (master.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:mailmailmail.net ip4:52.169.166.232 include:6534510.spf08.hubspotemail.net -all

📨 DMARC

Policy	Record (_dmarc.master.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:6731ae2d65ec7@ag.dmarcly.com; ruf=mailto:6731ae2d65ec7@fo.dmarcly.com; sp=none;

📬 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)

🔐 DNSSEC148ms

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

🏷️ SOA52ms

Field	Value
Serial	2018081920
Primary NS (MNAME)	dns1.cscdns.net
Responsible (RNAME)	hostmaster@cscdns.net
Refresh	10800s
Retry	5400s
Expire	3600000s
Minimum (neg-cache TTL)	14400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

66ms

A

70ms

MX

57ms

AAAA

58ms

TXT

689ms

CAA

43ms

HTTPS

57ms

TLSA

183ms

SOA

52ms

MTA-STS

58ms

DNSSEC

148ms

SRV

326ms

Total

1301ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-20 06:12:35	1301ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 07:41:00	1439ms	2 NS 2 A 1 MX	🔓 Insecure	View