ciulearningbots.dk

📜 Historical scan 2026-09-16 06:25:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ciulearningbots.dk is a .dk domain served by 2 nameservers (lucy.ns.cloudflare.com, micah.ns.cloudflare.com). It was registered on 12 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.61.213.131 is hosted by Amazon.com, Inc. (AS16509) in Sweden. Mail is handled by ciulearningbots-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
lucy.ns.cloudflare.com	108.162.192.133 172.64.32.133 173.245.58.133 2606:4700:50::adf5:3a85 2803:f800:50::6ca2:c085 2a06:98c1:50::ac40:2085	lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com lucy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
micah.ns.cloudflare.com	108.162.193.206 172.64.33.206 173.245.59.206 2606:4700:58::adf5:3bce 2803:f800:50::6ca2:c1ce 2a06:98c1:50::ac40:21ce	micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.61.213.131	300s	ec2-13-61-213-131.eu-north-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	13.32.0.0/11	🇸🇪 Sweden	Stockholm

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ciulearningbots-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::24 2a01:111:f403:ca21::8 2a01:111:f403:ca48::12 52.101.181.156 52.101.68.21 52.101.68.27 52.101.68.36	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00503.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 244ms

TXT Record
MS=ms20922768
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ciulearningbots.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-10 07:21:48

www	Exists, no address
www vs bare domain	www does not resolve ciulearningbots.dk: 13.61.213.131 (AS16509) www.ciulearningbots.dk: no address (all like this)
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#

4 found

Selector	CNAME	Key
s1	s1.domainkey.u16980133.wl134.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u16980133.wl134.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-ciulearningbots-dk._domainkey.tietgen365.y-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-ciulearningbots-dk._domainkey.tietgen365.y-v1.dkim.mail.microsoft	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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ciulearningbots.dk	8PfEhSXrf9_mJP1hMMYOAmF6ko95DfuHESsqjIFfpP0
TXT	_acme-challenge.ciulearningbots.dk	_HNtnF0LwnT-PG2EYgA9dtbUm9zu1i7iWE0vFZS-m-s

🔗 TLSA / DANE#

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

🔐 DNSSEC#

150ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414947873
Primary NS (MNAME)	lucy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 07:56:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2025-03-12
Expires	2027-03-11 (144d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

44ms

51ms

AAAA

35ms

TXT

244ms

CAA

39ms

HTTPS

43ms

TLSA

317ms

SOA

0ms

MTA-STS

82ms

DNSSEC

150ms

SRV

78ms

Total

1215ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 07:21:48	1066ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 21:19:18	784ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 16:48:07	2798ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 11:16:59	1514ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 06:25:13 shown	1215ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 01:35:59	917ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 23:26:11	1202ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 19:56:10	1210ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-24 21:51:41	1110ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 17:28:16	1649ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-30 22:31:28	9431ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 11:30:29	1247ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-06 03:03:24	2706ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-29 13:41:43	1058ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 22:39:54	1002ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 09:35:54	1468ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:16:48	2518ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:07:34	928ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:04:36	65535ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:00:10	830ms	2 NS 1 A 1 MX	🔒 Secure