jacobsenc.dk

📜 Historical scan 2026-10-02 09:02:57  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobsenc.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 18 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.214.221.112 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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#

4 records   29ms
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#

1 records   37ms
IPTTLPTRASNISP / OrgCIDRCountryCity
35.214.221.112 3600s 112.221.214.35.bc.googleusercontent.com AS43515 Google Ireland Limited 35.214.128.0/17 🇳🇱 The Netherlands Groningen

📧 MX Records#

5 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s aspmx.l.google.com 173.194.220.27
2a00:1450:4010:c0f::1a
2a00:1450:4010:c0f::1a		 lk-in-f27.1e100.net
lt-in-x1a.1e100.net
lt-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 3600s alt1.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1a		 lcdels-in-f26.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt2.aspmx.l.google.com 173.194.41.27
173.194.41.27
2404:6800:4001:c01::1b		 mad01s14-in-f27.1e100.net
yukulwh-in-f27.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 3600s alt3.aspmx.l.google.com 172.253.158.27
2404:6800:4003:c26::1b		 so-in-f27.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 3600s alt4.aspmx.l.google.com 108.177.125.26
2404:6800:4008:c01::1a		 tp-in-f26.1e100.net
tp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   96ms
TXT Record
facebook-domain-verification=ozo4sjmp7v4hrbub3hc67q1df06uzg
v=spf1 include:sendgrid.net ~all

✉️ SPF#

PolicyRecord (jacobsenc.dk)
~all (soft fail) v=spf1 include:sendgrid.net ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 00:22:52
www35.214.221.112 (AS43515) (address records, no CNAME)
www vs bare domainSame network
jacobsenc.dk: 35.214.221.112 (AS43515)
www.jacobsenc.dk: 35.214.221.112 (AS43515)
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#

2 found
SelectorCNAMEKey
s1 s1.domainkey.u33091612.wl113.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u33091612.wl113.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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

44ms
FieldValue
Serial2026100100
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-17 02:19:49
FieldValue
RegistrarSimply.com A/S
Registered2021-08-18
Expires2027-08-31 (318d)

🔗 Same registrant#

24 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).

DomainRegistrar
aalborg-trykkeri.dkSimply.com A/S
aalborgautoservice.dkSimply.com A/S
aalborgprint.dkSimply.com A/S
aalborgtryk.dkSimply.com A/S
derfortranum.dkSimply.com A/S
dkrustfri.dkSimply.com A/S
ekart.dkSimply.com A/S
fysioterapien-laesoe.dkSimply.com A/S
hastv.dkSimply.com A/S
hjortlundftp.dkSimply.com A/S
jenniferfogh.dkSimply.com A/S
kv-industri.dkSimply.com A/S
kvindustri.dkSimply.com A/S
kvsvejs.dkSimply.com A/S
moon-car.dkSimply.com A/S
mooncar.dkSimply.com A/S
mtbtalent.dkSimply.com A/S
olufhjortlund.dkSimply.com A/S
r-mail.dkSimply.com A/S
rc-horses.dkSimply.com A/S
sp-tand.dkSimply.com A/S
sptand.dkSimply.com A/S
vampprotectionsystems.dkSimply.com A/S
ålborgtrykkeri.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
29ms
A
37ms
MX
35ms
AAAA
34ms
TXT
96ms
CAA
36ms
HTTPS
39ms
TLSA
130ms
SOA
44ms
MTA-STS
44ms
DNSSEC
107ms
SRV
49ms
Total
822ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 00:22:51 1709ms 4 NS 1 A 5 MX 🔒 Secure
2026-10-09 14:14:40 827ms 4 NS 1 A 5 MX 🔒 Secure
2026-10-02 09:02:57 shown 822ms 4 NS 1 A 5 MX 🔒 Secure
2026-09-26 07:37:52 753ms 4 NS 1 A 5 MX 🔒 Secure
2026-06-26 05:20:48 1005ms 4 NS 1 A 5 MX 🔒 Secure
2026-06-24 15:51:24 813ms 4 NS 1 A 5 MX 🔒 Secure
2026-06-18 06:27:58 2787ms 4 NS 1 A 5 MX 🔒 Secure
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