ringsted-festudlejning.dk DNS records

🖥️ Nameservers2 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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.curanet.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 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.199	3600s	linux14.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ringstedfestudlejning-dk02b.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.68.18 52.101.68.39 52.101.73.26 52.101.73.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.8
🔶 Autoconfig	185.21.40.199

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 153ms

TXT Record
v=spf1 ip4:185.21.40.199 include:spf.protection.outlook.com include:spf.curanet.dk -all

✉️ SPF

Policy	Record (ringsted-festudlejning.dk)
-all (hard fail)	v=spf1 ip4:185.21.40.199 include:spf.protection.outlook.com include:spf.curanet.dk -all

📨 DMARC

Policy	Record (_dmarc.ringsted-festudlejning.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

Field	Value
Serial	2025120101
Primary NS (MNAME)	ns1.curanet.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

56ms

A

65ms

MX

53ms

AAAA

51ms

TXT

153ms

CAA

62ms

HTTPS

58ms

TLSA

312ms

SOA

0ms

MTA-STS

79ms

DNSSEC

101ms

SRV

82ms

Total

957ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:37:52	957ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 14:02:04	2518ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:07:55	796ms	2 NS 1 A 1 MX	🔒 Secure	View