linucare.dk

📜 Historical scan 2026-10-20 03:37:39 · ← 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 smtp.google.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

Nameserver	IP addresses	PTR	ASN / 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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.239.32.21	3600s	any-in-2015.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.34.21	3600s	any-in-2215.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.36.21	3600s	any-in-2415.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—
216.239.38.21	3600s	any-in-2615.1e100.net	AS15169	Google LLC	216.239.32.0/20	🇺🇸 United States	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	1362s	smtp.google.com	172.253.152.27 173.194.221.26 173.194.221.27 173.194.222.26 173.194.222.27 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net lo-in-f26.1e100.net lo-in-x1a.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

4 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:4860:4802:32::15	3600s	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	3600s	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	3600s	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	3600s	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#

7 records 114ms

TXT Record
facebook-domain-verification=77qlf3qfezkte4eflcl4vxpuxkr9g5
firebase=acute-1bb7d
google-gws-recovery-domain-verification=73134688
google-gws-recovery-domain-verification=73317267
google-site-verification=bmPrq_A5uXBR120F3Hpbq8XEF2eyb94_KWPYAxB0yTk
google-site-verification=uibU5goD-9_WoFejatESa9AVion81AClG3tTvRsZ-p4
v=spf1 include:_spf.google.com include:_spf.firebasemail.com -all

✉️ SPF#

Policy	Record (linucare.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:_spf.firebasemail.com -all

📨 DMARC#

Policy	Record (_dmarc.linucare.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 CNAME	ghs.googlehosted.com (all on googlehosted.com) → 142.250.154.121 2a00:1450:4001:c0f::79 (AS15169)
www vs bare domain	Same network linucare.dk: 216.239.32.21 216.239.34.21 216.239.36.21 216.239.38.21 (AS15169) www.linucare.dk: 142.250.154.121 2a00:1450:4001:c0f::79 (AS15169)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
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#

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

🔐 DNSSEC#

51ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026101901
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-20 03:49:38

Field	Value
Registrar	Simply.com A/S
Registered	2022-05-11
Expires	2027-05-10 (199d)

🔗 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#

40ms

33ms

38ms

AAAA

40ms

TXT

114ms

CAA

42ms

HTTPS

41ms

TLSA

233ms

SOA

35ms

MTA-STS

59ms

DNSSEC

51ms

SRV

50ms

Total

881ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 20:33:21	2535ms	4 NS 4 A 1 MX	🔒 Secure
2026-10-20 03:37:39 shown	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	988ms	4 NS 4 A 1 MX	🔒 Secure