cerius.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	cerius-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09:: 2a01:111:f403:ca09::8 52.101.181.153 52.101.68.3 52.101.68.8 52.101.73.126	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.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
🔶 Autoconfig	cerius.dk → 162.159.135.42

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 91ms

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

📝 TXT Records10 records 249ms

TXT Record
_globalsign-domain-verification=49fK2F91aI2dhKHKtd46P2Th2juxV8Z7-yZozGuLGo
11EgSW+g8FQo4/mWwa73yjbP5yozJJ9SjHgH4PqUAH4=
34ERNwCl0jZ7rgBAx5FvjTqx2npGSB84GbgMbufjZ3g=
ca3-b0acf047fd9141b1aba34d7b60ce8a36
cerius-webapp-prod.azurewebsites.net
facebook-domain-verification=3qz5oni3qszuc0znvnn19xiiy8nyoj
figma-domain-verification=75e1f5ae81b5d000e360aaa84b54068d1d9a9270110d4165827f596d5ea3e7b1-1767688706
google-site-verification=cfhX73os1IpfgPMjp8wk6vp4TE36XjWkRolf-fA7ahE
MS=ms68132893
v=spf1 exists:%{i}.spf.hc500-78.eu.iphmx.com ip4:212.178.178.67 include:spf.protection.outlook.com include:spf.mailanyone.net -all

✉️ SPF

Policy	Record (cerius.dk)
-all (hard fail)	v=spf1 exists:%{i}.spf.hc500-78.eu.iphmx.com ip4:212.178.178.67 include:spf.protection.outlook.com include:spf.mailanyone.net -all

📨 DMARC

Policy	Record (_dmarc.cerius.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:uz4xseau@ag.eu.dmarcadvisor.com; ruf=mailto:uz4xseau@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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.cerius.dk	cerius.dk.kinstavalidation.app

🔗 TLSA / DANE

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

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2026042001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

44ms

MX

45ms

AAAA

43ms

TXT

249ms

CAA

62ms

HTTPS

60ms

TLSA

379ms

SOA

0ms

MTA-STS

69ms

DNSSEC

86ms

SRV

91ms

Total

1086ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 23:46:37	1086ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 14:25:40	1887ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:11:04	855ms	2 NS 1 A 1 MX	🔒 Secure	View