`doktordan.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:20c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:808f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.12^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.143^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kay.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
NS	`matt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b83^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c183^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`matt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2183^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`matt.ns.cloudflare.com`
		A	108.162.193.131^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	172.64.33.131^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
		A	173.245.59.131^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`matt.ns.cloudflare.com`
MX	`mail.doktordan.com` ⭐
		A	2606:4700:3033::ac43:d14d^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2606:4700:3037::6815:4afd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	104.21.74.253^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.67.209.77^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`v=spf1 a mx ip4:152.53.149.173 include:mxsspf.sendpulse.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.12, 172.67.128.143
		IPv6 hints	2606:4700:3032::6815:20c, 2606:4700:3033::ac43:808f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=231, name=cloudflare-ech.com
SOA	`kay.ns.cloudflare.com`dns@cloudflare.com serial=2403541234

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778524736

Subdomains

mail.doktordan.net

Same first word

doktordan.com

doktordan.net

Similar names

doktorand.se

doktorand.de

doktorand.com

DNS History

16 records (7 active, 9 former)

●NSkay.ns.cloudflare.com2026-03-24 → 2026-05-11 · 3 obs

○ 2017-02-09 04:53:44
● 2026-03-24 12:58:42
● 2026-05-11 19:03:08

●NSmatt.ns.cloudflare.com2026-03-24 → 2026-05-11 · 3 obs

○ 2017-02-09 04:53:44
● 2026-03-24 12:58:42
● 2026-05-11 19:03:08

○NSns1.isimtescil.net2015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 00:13:58
○ 2017-02-09 04:53:44
○ 2026-05-11 19:03:08

○NSns2.isimtescil.net2015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 00:13:58
○ 2017-02-09 04:53:44
○ 2026-05-11 19:03:08

●MXmail.doktordan.com2026-03-24 → 2026-05-11 · 3 obs

○ 2017-02-09 04:53:44
● 2026-03-24 12:58:42
● 2026-05-11 19:03:08

○MXmx01.doktordan.net2015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 00:13:58
○ 2017-02-09 04:53:44
○ 2026-05-11 19:03:08

●A104.21.2.122026-03-24 → 2026-05-11 · 8 obs

○ 2019-12-20 14:09:24
● 2026-03-24 12:58:42
○ 2026-03-25 00:49:46
● 2026-03-29 09:31:46
● 2026-04-13 16:54:00
○ 2026-04-14 08:17:56
● 2026-04-25 01:16:30
● 2026-05-11 19:03:08

●A172.67.128.1432026-03-24 → 2026-05-11 · 8 obs

○ 2019-12-20 14:09:24
● 2026-03-24 12:58:42
○ 2026-03-25 00:49:46
● 2026-03-29 09:31:46
● 2026-04-13 16:54:00
○ 2026-04-14 08:17:56
● 2026-04-25 01:16:30
● 2026-05-11 19:03:08

○A188.114.96.02026-03-25 → 2026-04-14 · 7 obs

○ 2026-03-24 12:58:42
● 2026-03-25 00:49:46
○ 2026-03-29 09:31:46
○ 2026-04-13 16:54:00
● 2026-04-14 08:17:56
○ 2026-04-25 01:16:30
○ 2026-05-11 19:03:08

○A188.114.97.02026-03-25 → 2026-04-14 · 7 obs

○ 2026-03-24 12:58:42
● 2026-03-25 00:49:46
○ 2026-03-29 09:31:46
○ 2026-04-13 16:54:00
● 2026-04-14 08:17:56
○ 2026-04-25 01:16:30
○ 2026-05-11 19:03:08

●A2606:4700:3032::6815:20c2026-03-24 → 2026-05-11 · 8 obs

○ 2019-12-20 14:09:24
● 2026-03-24 12:58:42
○ 2026-03-25 00:49:46
● 2026-03-29 09:31:46
● 2026-04-13 16:54:00
○ 2026-04-14 08:17:56
● 2026-04-25 01:16:30
● 2026-05-11 19:03:08

●A2606:4700:3033::ac43:808f2026-03-24 → 2026-05-11 · 8 obs

○ 2019-12-20 14:09:24
● 2026-03-24 12:58:42
○ 2026-03-25 00:49:46
● 2026-03-29 09:31:46
● 2026-04-13 16:54:00
○ 2026-04-14 08:17:56
● 2026-04-25 01:16:30
● 2026-05-11 19:03:08

○A2a06:98c1:3120::2026-03-25 → 2026-04-14 · 7 obs

○ 2026-03-24 12:58:42
● 2026-03-25 00:49:46
○ 2026-03-29 09:31:46
○ 2026-04-13 16:54:00
● 2026-04-14 08:17:56
○ 2026-04-25 01:16:30
○ 2026-05-11 19:03:08

○A2a06:98c1:3121::2026-03-25 → 2026-04-14 · 7 obs

○ 2026-03-24 12:58:42
● 2026-03-25 00:49:46
○ 2026-03-29 09:31:46
○ 2026-04-13 16:54:00
● 2026-04-14 08:17:56
○ 2026-04-25 01:16:30
○ 2026-05-11 19:03:08

○A85.159.66.622019-12-20 → 2019-12-20 · 4 obs

○ 2017-02-09 04:53:44
● 2019-12-20 14:09:24
○ 2026-03-24 12:58:42
○ 2026-05-11 19:03:08

○A93.89.224.1222015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 00:13:58
○ 2017-02-09 04:53:44
○ 2026-05-11 19:03:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...	-
doktordan.net	kay.ns.cloudflare.com, matt.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.131

NS records: kay.ns.cloudflare.com, matt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doktordan.net (unsigned zone)

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.128.143, 104.21.2.12`
AAAA	2	`2606:4700:3033::ac43:808f, 2606:4700:3032::6815:20c`
NS	2	`kay.ns.cloudflare.com, matt.ns.cloudflare.com`
MX	1	`mail.doktordan.com (pri: 10)`
TXT	1	`v=spf1 a mx ip4:152.53.149.173 include:m`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kay.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

doktordan.net is the parent of mail.doktordan.net.

IP Addresses

doktordan.net resolves to four IPs: 2606:4700:3032::6815:20c, 2606:4700:3033::ac43:808f, 104.21.2.12 and 172.67.128.143.

Other host names, for instance www.vlerig.be.cdn.cloudflare.net, matthill.eu, ns1.valeapp.net, www.xiuxiancspt.com and sssx.com share IP numbers with doktordan.net.

Name Servers

doktordan.net has two name servers: kay.ns.cloudflare.com and matt.ns.cloudflare.com.

doktordan.net shares the same name server setup as other domains, for example nilazfar.com, xootf.com, coolwareznik.net, windfiles.com and classicalradio.com.

doktordan.net shares some name servers with other domains, for example ndaruanugerah.com, magnus.ms, cleverfiles.nl, roc-grp.org and sanctuarydatasystems.co.uk.

These name servers are commonly used together with eric.ns.cloudflare.com and ivy.ns.cloudflare.com.

Host names with six IP numbers: kay.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7d, 2803:f800:50::6ca2:c07d, 2a06:98c1:50::ac40:207d, 108.162.192.125, 172.64.32.125 and 173.245.58.125; matt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b83, 2803:f800:50::6ca2:c183, 2a06:98c1:50::ac40:2183, 108.162.193.131, 172.64.33.131 and 173.245.59.131.

Mail Servers

doktordan.net is handled by a single mail server, mail.doktordan.com.

mail.doktordan.com resolves to four IPs: 2606:4700:3033::ac43:d14d, 2606:4700:3037::6815:4afd, 104.21.74.253 and 172.67.209.77.

doktordan.net - robtex.com

doktordan.net

net

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`doktordan.net`

`net`