scan4mail.dk

📜 Historical scan 2026-09-25 03:22:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

scan4mail.dk is a .dk domain served by 2 nameservers (curns01.dnsadmin.dk, curns02.dnsadmin.dk). It was registered on 24 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.155.37 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by scan4mail-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
curns01.dnsadmin.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
curns02.dnsadmin.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 Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.37	3600s	splash.zitcom.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	scan4mail-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca09::28 2a01:111:f403:ca09::a 2a01:111:f403:ca48::12 52.101.185.114 52.101.185.21 52.101.185.24 52.101.209.153	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.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 → 52.98.154.136
🔶 Autoconfig	93.191.155.37

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 115ms

TXT Record
MS=ms45150560
v=spf1 include:spf.protection.outlook.com include:_spf.e-studio.dk -all

✉️ SPF#

Policy	Record (scan4mail.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.e-studio.dk -all

📨 DMARC#

Policy	Record (_dmarc.scan4mail.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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#

latest probe, not this scan · checked 2026-10-14 02:34:45

www	93.191.155.37 (AS48854) (address records, no CNAME)
www vs bare domain	Same network scan4mail.dk: 93.191.155.37 (AS48854) www.scan4mail.dk: 93.191.155.37 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092401
Primary NS (MNAME)	curns01.dnsadmin.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-12 13:33:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-11-24
Expires	2026-11-30 (41d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

25ms

36ms

37ms

AAAA

35ms

TXT

115ms

CAA

25ms

HTTPS

31ms

TLSA

172ms

SOA

0ms

MTA-STS

44ms

DNSSEC

113ms

SRV

78ms

Total

788ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 08:52:05	507ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:51:30	960ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 03:22:31 shown	788ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 11:18:33	1131ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 22:01:59	1363ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 23:36:22	10072ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 00:16:03	934ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 15:52:28	1186ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 09:08:01	2357ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 06:50:20	1288ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 19:14:55	715ms	2 NS 1 A 1 MX	🔒 Secure