dentool.dk DNS records

🖥️ Nameservers2 records 197ms

Nameserver	IP addresses	PTR	ASN / ISP
lisa.ns.cloudflare.com	108.162.192.131 172.64.32.131 173.245.58.131 2606:4700:50::adf5:3a83 2803:f800:50::6ca2:c083 2a06:98c1:50::ac40:2083	lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com lisa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ray.ns.cloudflare.com	108.162.193.138 172.64.33.138 173.245.59.138 2606:4700:58::adf5:3b8a 2803:f800:50::6ca2:c18a 2a06:98c1:50::ac40:218a	ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com ray.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 219ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.84.3	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.184.7	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 188ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	dentool-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 52.101.68.0 52.101.68.27 52.101.68.3 52.101.73.16	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as2pr05cu00100.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	104.21.84.3

🔷 AAAA Records (IPv6)2 records 211ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:b807	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:5403	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 231ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.3,172.67.184.7 ech=AEX+DQBB/AAgACDBkjkQD2BdrQQCoJ5nTdFmGVP+yIPiIHCHLdJamzCvagAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:b807,2606:4700:3034::6815:5403

🔌 SRV Records1 records 268ms

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

📝 TXT Records2 records 443ms

TXT Record
brevo-code:6c34eae9fa8875dd069effd03b7b52b8
v=spf1 include:spf.protection.outlook.com include:a.spf.itoperators.dk include:spf.curanet.dk include:spf.simply.com -all

✉️ SPF

Policy	Record (dentool.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:a.spf.itoperators.dk include:spf.curanet.dk include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.dentool.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:info@dentool.dk

📬 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)

🔐 DNSSEC346ms

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

🏷️ SOA0ms

Field	Value
Serial	2412234911
Primary NS (MNAME)	lisa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

197ms

A

219ms

MX

188ms

AAAA

211ms

TXT

443ms

CAA

227ms

HTTPS

231ms

TLSA

1304ms

SOA

0ms

MTA-STS

277ms

DNSSEC

346ms

SRV

268ms

Total

3515ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:36:45	1180ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 00:16:11	9180ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-15 21:46:45	3515ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-14 08:18:23	2580ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-01 11:28:42	2130ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 19:14:12	1076ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 02:06:19	604ms	2 NS 2 A 1 MX	🔓 Insecure	View