schoolbutler.dk

📜 Historical scan 2026-08-30 11:44:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

schoolbutler.dk is a .dk domain served by 2 nameservers (eric.ns.cloudflare.com, jocelyn.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.10 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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 96ms

Nameserver	IP addresses	PTR	ASN / ISP
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jocelyn.ns.cloudflare.com	108.162.192.174 172.64.32.174 173.245.58.174 2606:4700:50::adf5:3aae 2803:f800:50::6ca2:c0ae 2a06:98c1:50::ac40:20ae	jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.ns.cloudflare.com jocelyn.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 162ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.10	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.68	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 99ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:170a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d044	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 142ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.10,172.67.208.68 ech=AEX+DQBBkQAgACBN60Dn0G1V/kSfekq3+A6F0ajLKKPW0zZkelZB0zV2GAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:170a,2606:4700:3035::ac43:d044

📝 TXT Records#

3 records 365ms

TXT Record
google-site-verification=Ax-nieOOao3HcOcePw_B81aKyGZ55OWxeJtWgVaOYZM
klaviyo-site-verification=VaCqb5
v=spf1 include:_spf.google.com include:amazonses.com ~all

✉️ SPF#

Policy	Record (schoolbutler.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:amazonses.com ~all

📨 DMARC#

Policy	Record (_dmarc.schoolbutler.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:809153b012e54252b42721de152ab2c1@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 2026-10-07 18:55:34

www	104.21.23.10 172.67.208.68 2606:4700:3032::6815:170a 2606:4700:3035::ac43:d044 (AS13335) (address records, no CNAME)
www vs bare domain	Same network schoolbutler.dk: 104.21.23.10 172.67.208.68 2606:4700:3032::6815:170a 2606:4700:3035::ac43:d044 (AS13335) www.schoolbutler.dk: 104.21.23.10 172.67.208.68 2606:4700:3032::6815:170a 2606:4700:3035::ac43:d044 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

267ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413539054
Primary NS (MNAME)	eric.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

96ms

162ms

89ms

AAAA

99ms

TXT

365ms

CAA

102ms

HTTPS

142ms

TLSA

304ms

SOA

0ms

MTA-STS

174ms

DNSSEC

267ms

SRV

178ms

Total

2386ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 15:04:03	2365ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-05 15:00:48	764ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-30 11:44:10 shown	2386ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-28 18:33:50	2156ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 14:54:34	697ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-30 04:56:53	1057ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-25 22:18:00	1069ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-19 23:33:07	973ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 00:30:48	963ms	2 NS 2 A 5 MX	🔓 Insecure