zeso.dk

Records from scan: 2026-10-01 04:37:22 · 1233ms total · last checked 2026-10-21 10:11 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zeso.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 30 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.103.129.185 is hosted by Asergo Holding ApS (AS30736) in Denmark. Mail is handled by zeso-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#

2 records 46ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.103.129.185	3600s	ddsks.dk	AS30736	Asergo Holding ApS	82.103.128.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	zeso-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca48::10 52.101.103.39 52.101.185.114 52.101.209.153 52.101.73.120	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am7pr02cu00300.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 105ms

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

📝 TXT Records#

2 records 165ms

TXT Record
qhn9fd9v4a4tf4hho9vljtlvb4
v=spf1 include:spf.protection.outlook.com mx ip4:185.170.28.86 -all

✉️ SPF#

Policy	Record (zeso.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com mx ip4:185.170.28.86 -all

📨 DMARC#

Policy	Record (_dmarc.zeso.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@zeso.dk; ruf=mailto:dmarc@zeso.dk; fo=1

📬 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 2026-10-10 19:30:38

www	82.103.129.185 (AS30736) (address records, no CNAME)
www vs bare domain	Same network zeso.dk: 82.103.129.185 (AS30736) www.zeso.dk: 82.103.129.185 (AS30736)
Wildcard	No
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
selector1	selector1-zeso-dk._domainkey.zeso.onmicrosoft.com	RSA · ~1024 bit below 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#

78ms

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

🏷️ SOA#

50ms

Field	Value
Serial	2026012901
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 2026-10-11 01:20:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-01-30
Expires	2028-01-31 (465d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

51ms

68ms

AAAA

64ms

TXT

165ms

CAA

44ms

HTTPS

56ms

TLSA

589ms

SOA

50ms

MTA-STS

95ms

DNSSEC

78ms

SRV

105ms

Total

1233ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:37:22 shown	1233ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 07:51:26	1095ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 00:57:16	1163ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 04:23:14	2693ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 10:03:45	1750ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 21:14:15	1096ms	2 NS 1 A 1 MX	🔒 Secure