sciencecupku.dk

📜 Historical scan 2026-09-17 06:24:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sciencecupku.dk is a .dk domain served by 2 nameservers (craig.ns.cloudflare.com, walk.ns.cloudflare.com). It was registered on 21 June 2026 (WHOIS) and first appeared in the .dk zone on 22 June 2026. Its website address 104.21.81.152 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by inbound-smtp.eu-west-1.amazonaws.com. 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 133ms

Nameserver	IP addresses	PTR	ASN / ISP
craig.ns.cloudflare.com	108.162.195.192 162.159.44.192 172.64.35.192 2606:4700:58::a29f:2cc0 2803:f800:50::6ca2:c3c0 2a06:98c1:50::ac40:23c0	craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
walk.ns.cloudflare.com	108.162.194.128 162.159.38.128 172.64.34.128 2606:4700:50::a29f:2680 2803:f800:50::6ca2:c280 2a06:98c1:50::ac40:2280	walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.ns.cloudflare.com walk.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 98ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.81.152	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.162.64	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	inbound-smtp.eu-west-1.amazonaws.com	18.200.203.69 54.155.140.59 54.76.31.185	ec2-18-200-203-69.eu-west-1.compute.amazonaws.com ec2-54-155-140-59.eu-west-1.compute.amazonaws.com ec2-54-76-31-185.eu-west-1.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)#

2 records 129ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:a240	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:5198	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 118ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.152,172.67.162.64 ech=AEX+DQBB1AAgACD73qk/JjJn0BqXz5g6C97g7PMxgy9nXQbjEXFB98++NAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a240,2606:4700:3037::6815:5198

📝 TXT Records#

3 records 275ms

TXT Record
google-site-verification=v4Q7GZHd3gUJi_UHnCG468Yq2KisixGUozHZxIcpUYY
mailerlite-domain-verification=85b96760066ec4174fa65ea7bf5c9679256cd85f
v=spf1 a mx include:_spf.mlsend.com ?all

✉️ SPF#

Policy	Record (sciencecupku.dk)
?all (neutral)	v=spf1 a mx include:_spf.mlsend.com ?all

📨 DMARC#

Policy	Record (_dmarc.sciencecupku.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 2026-10-09 08:46:28

www	104.21.81.152 172.67.162.64 2606:4700:3035::ac43:a240 2606:4700:3037::6815:5198 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sciencecupku.dk: 104.21.81.152 172.67.162.64 2606:4700:3035::ac43:a240 2606:4700:3037::6815:5198 (AS13335) www.sciencecupku.dk: 104.21.81.152 172.67.162.64 2606:4700:3035::ac43:a240 2606:4700:3037::6815:5198 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sciencecupku.dk	emYo1yLWSoEuKz1lvPssojQiNXMvt8kFhpZ5ZoY7d9M
TXT	_acme-challenge.sciencecupku.dk	zgS98Y2tGu-V7OHraxApGmjgJslU1gV2STn3ZZ5Nf_0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

176ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414889841
Primary NS (MNAME)	craig.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 05:02:20

Field	Value
Registrar	Simply.com A/S
Registered	2026-06-21
Expires	2027-06-20 (241d)

📋 WHOIS#

⏱️ Lookup Timing#

133ms

98ms

77ms

AAAA

129ms

TXT

275ms

CAA

91ms

HTTPS

118ms

TLSA

288ms

SOA

0ms

MTA-STS

103ms

DNSSEC

176ms

SRV

143ms

Total

1353ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 04:59:58	1798ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 02:20:57	1317ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 07:52:00	775ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 06:24:17 shown	1353ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-10 07:01:04	2268ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-22 08:36:53	10086ms	3 NS 0 A 1 MX	🔒 Secure