jacobis.dk

📜 Historical scan 2026-08-15 10:03:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobis.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.151 is hosted by One.com A/S (AS51468) in Denmark. 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 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 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.151	3600s	webcluster24.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b 64.233.165.27	le-in-x1b.1e100.net le-in-f27.1e100.net lg-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	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	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	jacobis.dk → 77.111.240.151
🔶 Autoconfig	jacobis.dk → 77.111.240.151

🔷 AAAA Records (IPv6)#

1 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:bf:fd51:345e:82b7	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 181ms

TXT Record
v=spf1 include:_custspf.one.com mx a ip4:91.221.196.226 include:google.com -all

✉️ SPF#

Policy	Record (jacobis.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com mx a ip4:91.221.196.226 include:google.com -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 2026-10-16 01:39:53

www	Exists, no address
www vs bare domain	www does not resolve jacobis.dk: 77.111.240.150 2a02:2350:5:102:b0:c049:8d48:841 (AS51468) www.jacobis.dk: no address (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

75ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026061605
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 22:46:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-01-26
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

45ms

AAAA

50ms

TXT

181ms

CAA

61ms

HTTPS

43ms

TLSA

172ms

SOA

48ms

MTA-STS

61ms

DNSSEC

75ms

SRV

67ms

Total

5631ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 01:39:53	565ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-12 18:11:14	928ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-09 14:14:46	1621ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-07 10:18:04	838ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-04 05:39:34	599ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-25 04:56:56	869ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-31 17:53:35	8616ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-17 22:15:01	5786ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-15 10:03:12 shown	5631ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-04 21:25:17	2814ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 01:50:59	776ms	2 NS 1 A 5 MX	⚠️ Bogus
2026-06-18 05:00:58	1453ms	2 NS 1 A 5 MX	🔒 Secure