cosmosco.dk

📜 Historical scan 2026-07-12 09:21:36  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cosmosco.dk is a .dk domain served by 2 nameservers (david.ns.cloudflare.com, pam.ns.cloudflare.com). It was registered on 1 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.42.221 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cosmosco-dk.mail.protection.outlook.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   23ms

🌍 A Records#

2 records   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.42.221 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.167.30 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   41ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig188.245.100.10

🔷 AAAA Records (IPv6)#

2 records   30ms

🔐 HTTPS Records#

1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.42.221,172.67.167.30 ech=AEX+DQBBfwAgACC+IbYd3L99q4JNM6h1nvvayvkhs5W1uirG2DAP3UdkfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2add,2606:4700:3037::ac43:a71e

🔌 SRV Records#

1 records   51ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

7 records   193ms
TXT Record
atlassian-domain-verification=5HifMZtaDw/bhLhVdJksA71PUS0T51gLiWuLru6eaWEEwGJusaZvqUseZYnr48Tc
facebook-domain-verification=ls565fhqkz54wpeobhkuyh64s9qqpg
google-site-verification=LxXRIlcUCKGjZvRiaIGhzdVIfEI0eyOz2hTItoRhXvY
mailerlite-domain-verification=3b5ce007a20f53b0a09d3e6800496d322dca89e4
MS=ms97676666
Sendinblue-code:9905f28d8d8aac8ec4bd12d5885d0700
v=spf1 include:_spf.mlsend.com include:spf.sendinblue.com include:spf.protection.outlook.com a mx ~all

✉️ SPF#

PolicyRecord (cosmosco.dk)
~all (soft fail) v=spf1 include:_spf.mlsend.com include:spf.sendinblue.com include:spf.protection.outlook.com a mx ~all

📨 DMARC#

PolicyRecord (_dmarc.cosmosco.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

📬 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 2026-10-15 06:27:20
www104.21.42.221 172.67.167.30 2606:4700:3032::6815:2add 2606:4700:3037::ac43:a71e (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

4 found
SelectorCNAMEKey
default — RSA · ~1024 bit below 2048 bit
mail — RSA · ~1024 bit below 2048 bit
s1 s1.domainkey.u26240824.wl075.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u26240824.wl075.sendgrid.net 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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2409206807
Primary NS (MNAME)david.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 18:14:34
FieldValue
RegistrarGANDI SAS
Registered2020-02-01
Expires2027-02-28 (131d)

🔗 Same registrant#

13 domains
📋 WHOIS#

⏱️ Lookup Timing#

NS
23ms
A
32ms
MX
41ms
AAAA
30ms
TXT
193ms
CAA
32ms
HTTPS
39ms
TLSA
878ms
SOA
0ms
MTA-STS
53ms
DNSSEC
62ms
SRV
51ms
Total
2108ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 06:27:20 2048ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-04 00:42:37 1159ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-03 21:17:39 1083ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-02 21:15:53 3019ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 21:10:00 1116ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-28 20:57:28 1618ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-27 20:48:25 1477ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-25 20:13:16 940ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-21 17:27:35 1404ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-02 17:37:13 1111ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-28 19:51:52 1878ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-09 01:06:36 1742ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-24 20:58:51 2684ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-12 09:21:36 shown 2108ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 23:48:13 843ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 22:43:22 2388ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-16 22:30:07 776ms 2 NS 2 A 1 MX 🔓 Insecure
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