serenit.dk DNS records

🖥️ Nameservers2 records 61ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.204	300s	linux27.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	serenit-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.27 52.101.73.22 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 134ms

TXT Record
anthropic-domain-verification-yc949w=lvm3DLGHDsleQbzOtsaH2oAS0
apple-domain-verification=TUaTNAN79rkMuabM
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (serenit.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.serenit.dk)
p=quarantine	v=DMARC1;p=quarantine;rua=mailto:50c06b6e2b@rua.easydmarc.eu,mailto:muw3i42i@rua.eu.dmarcmanager.app,mailto:jyke4geiry@rua.powerdmarc.com;ruf=mailto:50c06b6e2b@ruf.easydmarc.eu,mailto:muw3i42i@rufa.eu.dmarcmanager.app,mailto:jyke4geiry@ruf.powerdmarc.com;fo=1;

📬 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)

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

61ms

A

50ms

MX

41ms

AAAA

54ms

TXT

134ms

CAA

45ms

HTTPS

48ms

TLSA

803ms

SOA

0ms

MTA-STS

56ms

DNSSEC

84ms

SRV

56ms

Total

1350ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 13:19:20	1350ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 03:25:44	2059ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 01:42:10	724ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 20:21:07	746ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 19:15:09	684ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 07:24:07	1106ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:09:07	3185ms	2 NS 1 A 1 MX	🔒 Secure	View