brenderuphojskole.dk

📜 Historical scan 2026-09-19 20:12:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

brenderuphojskole.dk is a .dk domain served by 2 nameservers (coco.ns.cloudflare.com, jeff.ns.cloudflare.com). It was registered on 14 March 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.14.164 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by brenderuphojskole-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

Nameserver	IP addresses	PTR	ASN / ISP
coco.ns.cloudflare.com	108.162.192.104 172.64.32.104 173.245.58.104 2606:4700:50::adf5:3a68 2803:f800:50::6ca2:c068 2a06:98c1:50::ac40:2068	coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com coco.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jeff.ns.cloudflare.com	108.162.193.124 172.64.33.124 173.245.59.124 2606:4700:58::adf5:3b7c 2803:f800:50::6ca2:c17c 2a06:98c1:50::ac40:217c	jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com jeff.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.14.164	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.160.15	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	brenderuphojskole-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::9 2a01:111:f403:ca38::8 2a01:111:f403:ca48::e 52.101.185.24 52.101.68.18 52.101.73.126 52.101.91.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-matpr04cu00101.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a00f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:ea4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 165ms

TXT Record
MS=ms66095640
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.brenderuphojskole.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:8d71262b6349492586cfda756e9d0882@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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-23 16:51:18

www CNAME	brenderuphojskole.com (all on brenderuphojskole.com) → 104.21.14.164 172.67.160.15 2606:4700:3033::ac43:a00f 2606:4700:3035::6815:ea4 (AS13335)
www vs bare domain	Same network brenderuphojskole.dk: 104.21.14.164 172.67.160.15 2606:4700:3033::ac43:a00f 2606:4700:3035::6815:ea4 (AS13335) www.brenderuphojskole.dk: 104.21.14.164 172.67.160.15 2606:4700:3033::ac43:a00f 2606:4700:3035::6815:ea4 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u53045132.wl133.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u53045132.wl133.sendgrid.net	RSA · ~2048 bit
selector1	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415257060
Primary NS (MNAME)	coco.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-23 17:15:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-03-14
Expires	2027-03-31 (154d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

28ms

32ms

33ms

AAAA

37ms

TXT

165ms

CAA

35ms

HTTPS

29ms

TLSA

190ms

SOA

0ms

MTA-STS

55ms

DNSSEC

107ms

SRV

87ms

Total

1389ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 16:51:18	546ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 06:15:37	1506ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 20:12:38 shown	1389ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 22:52:40	1484ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-08 23:28:18	782ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 17:12:39	1105ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 07:25:52	963ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-14 05:48:33	6633ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-21 01:47:15	9320ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-08 09:58:17	26648ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-26 01:44:15	950ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 04:43:11	864ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 02:51:40	892ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 16:50:28	2713ms	2 NS 2 A 1 MX	🔒 Secure