maxdue.dk DNS records

🖥️ Nameservers3 records 64ms

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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.154	600s	linux138.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	maxdue-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::c 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.103.137 52.101.68.21 52.101.68.36 52.101.73.16	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.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	94.231.103.154
🔶 Autoconfig	94.231.103.154

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 64ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	email.asp1.keyloop.io

📝 TXT Records4 records 160ms

TXT Record
google-site-verification=fFoEHPGUSCIU9bcEKcUYE1ztVM1k_ufT7cKO_l0zMfg
v=DMARC1; p=none;
v=msv1 t=DB06FD85-AC16-4255-A793-FF6FA1CEDCD9
v=spf1 include:_spf.keyloop.io include:spf.simply.com ip4:91.133.35.128 ip4:91.133.36.61 ip4:167.89.79.75 ip4:172.21.82.122 ip4:89.239.226.82 ip4:89.239.226.86 include:mailgun.org include:sendgrid.net ~all

✉️ SPF

Policy	Record (maxdue.dk)
~all (soft fail)	v=spf1 include:_spf.keyloop.io include:spf.simply.com ip4:91.133.35.128 ip4:91.133.36.61 ip4:167.89.79.75 ip4:172.21.82.122 ip4:89.239.226.82 ip4:89.239.226.86 include:mailgun.org include:sendgrid.net ~all

📨 DMARC

Policy	Record (_dmarc.maxdue.dk)
p=none (monitor only)	v=DMARC1; p=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)

🔐 DNSSEC9099ms

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

🏷️ SOA0ms

Field	Value
Serial	2025042300
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

64ms

A

64ms

MX

40ms

AAAA

51ms

TXT

160ms

CAA

47ms

HTTPS

62ms

TLSA

371ms

SOA

0ms

MTA-STS

74ms

DNSSEC

9099ms

SRV

64ms

Total

9966ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 20:03:08	9966ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 11:30:23	1308ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:56:46	1088ms	3 NS 1 A 1 MX	🔒 Secure	View