er-aarhus.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.oneoffice.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.oneoffice.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 67ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.137.9	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records1 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	eraarhus-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 52.101.68.29 52.101.68.3 52.101.73.16 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 103ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sip.er-aarhus.dk

📝 TXT Records2 records 358ms

TXT Record
MS=ms31799982
v=spf1 include:spf.protection.outlook.com ip4:85.235.240.102 -all

✉️ SPF

Policy	Record (er-aarhus.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:85.235.240.102 -all

📨 DMARC

Policy	Record (_dmarc.er-aarhus.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:re+wrjguisw64r@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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)

🔐 DNSSEC86ms

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

🏷️ SOA42ms

Field	Value
Serial	2025082601
Primary NS (MNAME)	ns1.oneoffice.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

67ms

MX

75ms

AAAA

50ms

TXT

358ms

CAA

45ms

HTTPS

28ms

TLSA

1775ms

SOA

42ms

MTA-STS

45ms

DNSSEC

86ms

SRV

103ms

Total

2567ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 16:19:11	2567ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 05:06:18	871ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-22 02:01:36	673ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:12:45	2412ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:01:54	11966ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:01:47	663ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 08:00:07	796ms	2 NS 1 A 1 MX	🔓 Insecure	View