skipperclementskolen.dk DNS records

🖥️ Nameservers2 records 133ms

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 69ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.56.120	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.150.213	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 92ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	skipperclementskolen-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::9 2a01:111:f403:ca09::24 2a01:111:f403:ca09::26 52.101.103.143 52.101.68.0 52.101.68.16 52.101.68.36	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db5pr02cu00104.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 → 40.104.116.56
🔶 Autoconfig	104.21.56.120

🔷 AAAA Records (IPv6)2 records 121ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3878	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:96d5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 121ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.56.120,172.67.150.213 ech=AEX+DQBBywAgACC+r27rvQ2ITTeAhRa19al8UU/bGo3esajfWq8tG/qeIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3878,2606:4700:3031::ac43:96d5

🔌 SRV Records1 records 161ms

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

📝 TXT Records1 records 306ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.skipperclementskolen.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:14dd2e5ff2344d878007b075135215e2@dmarc-reports.cloudflare.net,mailto:dmarc@skipperclementskolen.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)

🔐 DNSSEC164ms

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

🏷️ SOA0ms

Field	Value
Serial	2413150644
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

133ms

A

69ms

MX

92ms

AAAA

121ms

TXT

306ms

CAA

104ms

HTTPS

121ms

TLSA

376ms

SOA

0ms

MTA-STS

162ms

DNSSEC

164ms

SRV

161ms

Total

1361ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:01:06	1361ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-26 23:18:50	1540ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-22 23:43:07	2533ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-08 19:41:15	2233ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-05 09:53:34	1751ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-06 22:57:25	11621ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-02 18:47:32	1244ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-27 07:58:06	1275ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-24 05:32:45	5238ms	2 NS 2 A 1 MX	⚠️ Bogus	View
2026-06-23 11:34:08	1176ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 00:45:01	640ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-21 23:05:24	801ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-18 19:18:14	3567ms	2 NS 2 A 1 MX	⚠️ Bogus	View
2026-06-18 05:56:29	1184ms	2 NS 2 A 1 MX	🔒 Secure	View