katherinesara.dk

📜 Historical scan 2026-08-26 14:36:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

katherinesara.dk is a .dk domain served by 2 nameservers (meiling.ns.cloudflare.com, sullivan.ns.cloudflare.com). It was registered on 19 May 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.44.19 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
meiling.ns.cloudflare.com	108.162.194.254 162.159.38.254 172.64.34.254 2606:4700:50::a29f:26fe 2803:f800:50::6ca2:c2fe 2a06:98c1:50::ac40:22fe	meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sullivan.ns.cloudflare.com	108.162.195.161 162.159.44.161 172.64.35.161 2606:4700:58::a29f:2ca1 2803:f800:50::6ca2:c3a1 2a06:98c1:50::ac40:23a1	sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.44.19	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.193.242	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.1.26 2a00:1450:4025:c01::1a	lb-in-f26.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	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	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4003:c26::1a	tp-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:c1f2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:2c13	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 25ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.44.19,172.67.193.242 ech=AEX+DQBBVAAgACAHSHUICxC8t/iQHx3wsFiEKQ08JFPD9rFsEmJ6bo5FEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:c1f2,2606:4700:3032::6815:2c13

🔌 SRV Records#

1 records 69ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	100	443	mail.your-server.de

📝 TXT Records#

2 records 168ms

TXT Record
google-site-verification=Cza3RCI3LxDE8GVDyDZ8HLpJyNBCEzpuvG54Ac0wLGU
v=spf1 a mx include:_spf.google.com include:sendgrid.net -all

✉️ SPF#

Policy	Record (katherinesara.dk)
-all (hard fail)	v=spf1 a mx include:_spf.google.com include:sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.katherinesara.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 00:43:14

www	104.21.44.19 172.67.193.242 2606:4700:3030::ac43:c1f2 2606:4700:3032::6815:2c13 (AS13335) (address records, no CNAME)
www vs bare domain	Same network katherinesara.dk: 104.21.44.19 172.67.193.242 2606:4700:3030::ac43:c1f2 2606:4700:3032::6815:2c13 (AS13335) www.katherinesara.dk: 104.21.44.19 172.67.193.242 2606:4700:3030::ac43:c1f2 2606:4700:3032::6815:2c13 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.katherinesara.dk	L09anVXpMjwNtXTp-e84dG5omJdR-2TVIMVdo_PArHk
TXT	_acme-challenge.katherinesara.dk	msZGdTg4GFahVCNhkwBbTkXFIefcCUHbMoXc0OinfFc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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	2413102629
Primary NS (MNAME)	meiling.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 18:02:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-05-19
Expires	2027-05-31 (225d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

34ms

35ms

AAAA

34ms

TXT

168ms

CAA

35ms

HTTPS

25ms

TLSA

67ms

SOA

0ms

MTA-STS

45ms

DNSSEC

116ms

SRV

69ms

Total

784ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 21:38:48	737ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-25 22:02:03	4635ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 20:56:01	9923ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 12:21:23	947ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-20 07:56:16	909ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-13 16:09:38	1682ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-06 15:18:56	1175ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-02 21:52:09	2099ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 14:36:41 shown	784ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-19 06:32:08	6521ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-09 00:39:45	1644ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-26 19:45:40	3226ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 11:43:40	3591ms	2 NS 2 A 5 MX	🔓 Insecure