jacobsenc.dk

Records from scan: 2026-10-13 00:22:51 · 1709ms total · last checked 2026-10-16 11:55 (unchanged)

⬇ 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 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 165ms

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#

1 records 180ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 186ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1a	lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.179.20.26 2404:6800:4000:1027::1a	ncboms-in-f26.1e100.net ncboms-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.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 257ms

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

✉️ SPF#

Policy	Record (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#

checked 2026-10-13 00:22:52

www	35.214.221.112 (AS43515) (address records, no CNAME)
www vs bare domain	Same network jacobsenc.dk: 35.214.221.112 (AS43515) www.jacobsenc.dk: 35.214.221.112 (AS43515)
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#

2 found

Selector	CNAME	Key
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#

284ms

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

🏷️ SOA#

58ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

165ms

180ms

186ms

AAAA

188ms

TXT

257ms

CAA

92ms

HTTPS

67ms

TLSA

240ms

SOA

58ms

MTA-STS

192ms

DNSSEC

284ms

SRV

185ms

Total

1709ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 00:22:51 shown	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	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