ceser.dk DNS records

🖥️ Nameservers3 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services 37.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.239.225.154	600s	89.239.225.154.dhcp.fibianet.dk	AS44869	FIBIA P/S	89.239.192.0/18	🇩🇰 Denmark	Frederiksberg

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ceser-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.68.0 52.101.73.12 52.101.73.153 52.101.73.30	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.99.205.56
🔶 Autoconfig	ceser.dk → 89.239.225.154

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 349ms

TXT Record
apple-domain-verification=aESSGw0LH5yeBzr4
MS=ms60963958
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ceser.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.ceser.dk	ceser.dk
TXT	ceser.dk	apple-domain-verification=aESSGw0LH5yeBzr4

🔗 TLSA / DANE

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

🔐 DNSSEC151ms

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

🏷️ SOA38ms

Field	Value
Serial	2022102844
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

41ms

MX

45ms

AAAA

39ms

TXT

349ms

CAA

46ms

HTTPS

41ms

TLSA

1738ms

SOA

38ms

MTA-STS

81ms

DNSSEC

151ms

SRV

226ms

Total

2675ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 16:53:32	1312ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 19:00:43	1359ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 06:16:09	912ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 04:11:02	2675ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:10:04	1952ms	3 NS 1 A 1 MX	🔒 Secure	View