frb-privatskole.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.1.86	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.128.240	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	frbprivatskole-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::20 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.68.16 52.101.68.29 52.101.68.8 52.101.73.15	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.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	172.67.128.240

🔷 AAAA Records (IPv6)2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:80f0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:156	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.1.86,172.67.128.240 ech=AEX+DQBBzQAgACDFl1Wh4O+Htz5ArFjMGYGlNSwnfVX8c0mzxb5j/4m8VQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:80f0,2606:4700:3035::6815:156

📝 TXT Records1 records 197ms

TXT Record
v=spf1 mx a include:web.shared.mysmtp.com ip4:89.221.167.1/24 ip4:5.186.164.156 ip4:94.18.218.35 ip4:94.18.218.34 include:spf.protection.outlook.com ip4:213.199.132.245 -all

✉️ SPF

Policy	Record (frb-privatskole.dk)
-all (hard fail)	v=spf1 mx a include:web.shared.mysmtp.com ip4:89.221.167.1/24 ip4:5.186.164.156 ip4:94.18.218.35 ip4:94.18.218.34 include:spf.protection.outlook.com ip4:213.199.132.245 -all

📨 DMARC

Policy	Record (_dmarc.frb-privatskole.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:f000a92ddc4049639bace4be61ba6feb@dmarc-reports.cloudflare.net;

📬 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)

🔐 DNSSEC2059ms

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

🏷️ SOA0ms

Field	Value
Serial	2411678650
Primary NS (MNAME)	bella.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

53ms

A

48ms

MX

46ms

AAAA

52ms

TXT

197ms

CAA

32ms

HTTPS

58ms

TLSA

940ms

SOA

0ms

MTA-STS

80ms

DNSSEC

2059ms

SRV

87ms

Total

4238ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 19:18:49	4238ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-05 11:08:43	2061ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-16 10:36:06	17146ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-15 05:05:29	2228ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 13:01:29	957ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-21 19:35:47	5058ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-20 07:27:08	1816ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 09:40:41	956ms	2 NS 2 A 1 MX	🔒 Secure	View