zesco.dk

📜 Historical scan 2026-06-17 20:49:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zesco.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 9 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.17 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by zesco-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 112ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.17	—	splash.dandomain.dk	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	zesco-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca09::4 2a01:111:f403:ca09::e 52.101.68.32 52.101.68.5 52.101.73.11 52.101.73.12	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.104.116.40
🔶 Autoconfig	212.237.249.17

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 192ms

TXT Record
MS=ms67897173
MS=ms70615810
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (zesco.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-07 19:37:17

www	212.237.249.17 (AS48854) (address records, no CNAME)
www vs bare domain	Same network zesco.dk: 212.237.249.17 (AS48854) www.zesco.dk: 212.237.249.17 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

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

🏷️ SOA#

117ms

Field	Value
Serial	2025072203
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-18 16:58:14

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-05-09
Expires	2027-05-08 (201d)

🔗 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#

44ms

112ms

42ms

AAAA

57ms

TXT

192ms

CAA

42ms

HTTPS

110ms

TLSA

542ms

SOA

117ms

MTA-STS

55ms

DNSSEC

94ms

SRV

90ms

Total

1147ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:49:29	1345ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 11:07:36	871ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 16:05:58	844ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 15:08:01	797ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 18:05:42	2731ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 13:43:26	966ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 20:49:12 shown	1147ms	2 NS 1 A 1 MX	🔒 Secure