schoolbutler.dk

📜 Historical scan 2026-06-18 00:30:48 · ← 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 29ms

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 28ms

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

📧 MX Records#

5 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 64.233.165.27	li-in-f26.1e100.net li-in-x1a.1e100.net lg-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:170a	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d044	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 27ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.10,172.67.208.68 ech=AEX+DQBBXQAgACCKtZprehaOOcZuI8UfRINUiU1H1hp2/GZSIeULHEiwSAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:170a,2606:4700:3037::ac43:d044

📝 TXT Records#

3 records 187ms

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#

95ms

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

🏷️ SOA#

27ms

Field	Value
Serial	2406700123
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#

29ms

28ms

29ms

AAAA

27ms

TXT

187ms

CAA

27ms

HTTPS

27ms

TLSA

81ms

SOA

27ms

MTA-STS

72ms

DNSSEC

95ms

SRV

194ms

Total

963ms

🕐 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	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 shown	963ms	2 NS 2 A 5 MX	🔓 Insecure