olstedkro.dk DNS records

🖥️ Nameservers4 records 244ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns2.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	ns2.dotserv.com	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records1 records 275ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.217.177	3600s	v0077.dotserv.com	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 234ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	olstedkro-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.68.25 52.101.68.27 52.101.73.24 52.101.73.26	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-as9pr05cu01302.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

📝 TXT Records1 records 509ms

TXT Record
v=spf1 ip4:178.20.217.177 include:spf.protection.outlook.com include:_spf.dotserv.com -all

✉️ SPF

Policy	Record (olstedkro.dk)
-all (hard fail)	v=spf1 ip4:178.20.217.177 include:spf.protection.outlook.com include:_spf.dotserv.com -all

📨 DMARC

Policy	Record (_dmarc.olstedkro.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 Records2 records 268ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🔗 TLSA / DANE

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

🔐 DNSSEC400ms

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

🏷️ SOA256ms

Field	Value
Serial	2017032803
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

244ms

A

275ms

MX

234ms

AAAA

287ms

TXT

509ms

CAA

268ms

HTTPS

244ms

TLSA

411ms

SOA

256ms

MTA-STS

293ms

DNSSEC

400ms

SRV

289ms

Total

3398ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 10:30:21	3398ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 15:17:34	1081ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 02:33:24	1033ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 11:15:50	763ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 23:40:40	2787ms	4 NS 1 A 1 MX	🔓 Insecure	View