linucare.dk

📜 Historical scan 2026-06-17 17:11:59  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

linucare.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 11 May 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.239.32.21 is hosted by Google LLC (AS15169) in United States. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, 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#

4 records   40ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

4 records   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
216.239.32.21 — any-in-2015.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —
216.239.34.21 — any-in-2215.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —
216.239.36.21 — any-in-2415.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —
216.239.38.21 — any-in-2615.1e100.net AS15169 Google LLC 216.239.32.0/20 🇺🇸 United States —

📧 MX Records#

1 records   41ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

4 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2001:4860:4802:32::15 — any-in-2001-4860-4802-32--15.1e100.net AS15169 Google LLC 2001:4860:4800:0:0:0:0:0/46 🇺🇸 United States —
2001:4860:4802:34::15 — any-in-2001-4860-4802-34--15.1e100.net AS15169 Google LLC 2001:4860:4800:0:0:0:0:0/46 🇺🇸 United States —
2001:4860:4802:36::15 — any-in-2001-4860-4802-36--15.1e100.net AS15169 Google LLC 2001:4860:4800:0:0:0:0:0/46 🇺🇸 United States —
2001:4860:4802:38::15 — any-in-2001-4860-4802-38--15.1e100.net AS15169 Google LLC 2001:4860:4800:0:0:0:0:0/46 🇺🇸 United States —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records   440ms
TXT Record
facebook-domain-verification=77qlf3qfezkte4eflcl4vxpuxkr9g5
firebase=acute-1bb7d
google-site-verification=uibU5goD-9_WoFejatESa9AVion81AClG3tTvRsZ-p4
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;
v=spf1 include:spf.simply.com include:_spf.firebasemail.com -all

✉️ SPF#

PolicyRecord (linucare.dk)
-all (hard fail) v=spf1 include:spf.simply.com include:_spf.firebasemail.com -all

📨 DMARC#

PolicyRecord (_dmarc.linucare.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-21 20:33:21
www CNAMEghs.googlehosted.com (all on googlehosted.com)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found
SelectorCNAMEKey
google — RSA · ~2048 bit
s1 s1.domainkey.u46808265.wl016.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u46808265.wl016.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#

2 records   64ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

136ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

49ms
FieldValue
Serial2026032500
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-20 03:49:38
FieldValue
RegistrarSimply.com A/S
Registered2022-05-11
Expires2027-05-10 (198d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
41ms
MX
41ms
AAAA
41ms
TXT
440ms
CAA
40ms
HTTPS
50ms
TLSA
64ms
SOA
49ms
MTA-STS
119ms
DNSSEC
136ms
SRV
0ms
Total
988ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 20:33:21 2535ms 4 NS 4 A 1 MX 🔒 Secure
2026-10-20 03:37:39 881ms 4 NS 4 A 1 MX 🔒 Secure
2026-10-07 07:14:35 5175ms 4 NS 4 A 1 MX 🔒 Secure
2026-10-02 05:27:39 838ms 4 NS 4 A 1 MX 🔒 Secure
2026-09-25 02:58:16 774ms 4 NS 4 A 1 MX 🔒 Secure
2026-08-11 17:46:05 1389ms 4 NS 4 A 1 MX 🔒 Secure
2026-08-08 15:28:11 1616ms 4 NS 4 A 1 MX 🔒 Secure
2026-07-31 16:43:46 1699ms 4 NS 4 A 1 MX 🔒 Secure
2026-07-28 02:37:58 2065ms 4 NS 4 A 1 MX 🔒 Secure
2026-07-26 01:39:34 1300ms 4 NS 4 A 1 MX 🔒 Secure
2026-07-20 16:28:55 976ms 4 NS 4 A 1 MX 🔒 Secure
2026-07-17 13:17:21 1082ms 4 NS 4 A 1 MX 🔒 Secure
2026-07-13 20:49:01 1151ms 4 NS 4 A 1 MX 🔒 Secure
2026-06-17 17:11:59 shown 988ms 4 NS 4 A 1 MX 🔒 Secure
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