dem-esb.dk DNS records

🖥️ Nameservers4 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.234.115.151	3600s	172-234-115-151.ip.linodeusercontent.com	AS63949	Akamai Connected Cloud	172.234.0.0/16	🇸🇪 Sweden	Stockholm

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	demesb-dk0i.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca09::28 52.101.209.28 52.101.68.8 52.101.73.1 52.101.91.153	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-matpr04cu00101.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 Records1 records 119ms

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

📝 TXT Records3 records 301ms

TXT Record
google-site-verification=e80l7ddM_DeRYXJleBYx8HOOyj-OMLLtVhkqk4t1m9I
MS=ms53347968
v=spf1 include:spf.protection.outlook.com include:_spf.google.com ip4:212.130.183.3 -all

✉️ SPF

Policy	Record (dem-esb.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.google.com ip4:212.130.183.3 -all

📨 DMARC

Policy	Record (_dmarc.dem-esb.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:64lu79ms@ag.eu.dmarcadvisor.com; ruf=mailto:64lu79ms@fr.eu.dmarcadvisor.com;

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC74ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2025082601
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

54ms

A

50ms

MX

40ms

AAAA

56ms

TXT

301ms

CAA

46ms

HTTPS

57ms

TLSA

184ms

SOA

0ms

MTA-STS

69ms

DNSSEC

74ms

SRV

119ms

Total

859ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 18:20:07	859ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 10:09:56	1371ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 23:31:29	1409ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 01:40:47	4527ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 01:40:12	1092ms	4 NS 1 A 1 MX	🔓 Insecure	View