maxdue.dk

Records from scan: 2026-10-07 20:44:24 · 1051ms total · last checked 2026-10-17 16:48 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

maxdue.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.154 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by maxdue-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 44ms

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 Records#

1 records 44ms

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 Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	maxdue-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::4 2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 52.101.181.156 52.101.185.21 52.101.73.123 52.101.73.145	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am6pr02cu00301.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 Records#

1 records 61ms

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

📝 TXT Records#

4 records 132ms

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

🧩 Web & zone#

checked 2026-10-07 20:44:24

www	94.231.103.154 (AS48854) (address records, no CNAME)
www vs bare domain	Same network maxdue.dk: 94.231.103.154 (AS48854) www.maxdue.dk: 94.231.103.154 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u32445460.wl211.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u32445460.wl211.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 13/10 · policy: ~all

error 13 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026100200
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

44ms

30ms

AAAA

41ms

TXT

132ms

CAA

24ms

HTTPS

28ms

TLSA

637ms

SOA

40ms

MTA-STS

47ms

DNSSEC

56ms

SRV

61ms

Total

1051ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 20:44:24 shown	1051ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 10:44:28	855ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 20:03:08	9966ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-01 11:30:23	1308ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:56:46	1088ms	3 NS 1 A 1 MX	🔒 Secure