jacobschween.dk

📜 Historical scan 2026-08-12 14:58:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jacobschween.dk is a .dk domain served by 2 nameservers (clarissa.ns.cloudflare.com, khalid.ns.cloudflare.com). It was registered on 20 July 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.245 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is not DNSSEC-signed, 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
clarissa.ns.cloudflare.com	108.162.194.123 162.159.38.123 172.64.34.123 2606:4700:50::a29f:267b 2803:f800:50::6ca2:c27b 2a06:98c1:50::ac40:227b	clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com clarissa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
khalid.ns.cloudflare.com	108.162.195.53 162.159.44.53 172.64.35.53 2606:4700:58::a29f:2c35 2803:f800:50::6ca2:c335 2a06:98c1:50::ac40:2335	khalid.ns.cloudflare.com khalid.ns.cloudflare.com khalid.ns.cloudflare.com khalid.ns.cloudflare.com khalid.ns.cloudflare.com khalid.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.245	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.202.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx01.mail.icloud.com mx02.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	300s	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.202.83
🔶 Autoconfig	104.21.76.245

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:ca53	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:4cf5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.245,172.67.202.83 ech=AEX+DQBBTAAgACC4QM4aGDWyLF7M8gQGAUkO3OdQH12RilDABiLY+WpTdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:ca53,2606:4700:3037::6815:4cf5

📝 TXT Records#

2 records 213ms

TXT Record
apple-domain=a04GADUcGIpmXCrU
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (jacobschween.dk)
~all (soft fail)	v=spf1 include:icloud.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 2026-10-10 01:28:07

www	104.21.76.245 172.67.202.83 2606:4700:3034::ac43:ca53 2606:4700:3037::6815:4cf5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network jacobschween.dk: 104.21.76.245 172.67.202.83 2606:4700:3034::ac43:ca53 2606:4700:3037::6815:4cf5 (AS13335) www.jacobschween.dk: 104.21.76.245 172.67.202.83 2606:4700:3034::ac43:ca53 2606:4700:3037::6815:4cf5 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

77ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2411900558
Primary NS (MNAME)	clarissa.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 01:38:39

Field	Value
Registrar	Simply.com A/S
Registered	2015-07-20
Expires	2027-07-31 (285d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

48ms

40ms

AAAA

38ms

TXT

213ms

CAA

39ms

HTTPS

58ms

TLSA

80ms

SOA

0ms

MTA-STS

66ms

DNSSEC

77ms

SRV

71ms

Total

1389ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 01:28:07	1648ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-29 16:31:49	571ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 07:29:13	1098ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 20:14:24	850ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-12 14:58:59 shown	1389ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-27 15:28:48	2163ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-18 00:18:33	2395ms	2 NS 2 A 2 MX	🔓 Insecure