`sdf-kh.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5212^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:c16d^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.18^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.193.109^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kristin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kristin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kristin.ns.cloudflare.com`
		A	108.162.192.181^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	172.64.32.181^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	173.245.58.181^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
NS	`marek.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.18, 172.67.193.109
		IPv6 hints	2606:4700:3031::6815:5212, 2606:4700:3034::ac43:c16d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=230, name=cloudflare-ech.com
SOA	`kristin.ns.cloudflare.com`dns@cloudflare.com serial=2400452074

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776008114

rank #206439 globally
rank #14300 in the tld
📈 Tranco rank: #593,921

Previously MX for

sdf-kh.org

Same first word

sdf-kh.org

DNS History

23 records (7 active, 16 former)

●NSkristin.ns.cloudflare.com2026-02-18 → 2026-04-12 · 3 obs

○ 2018-01-17 04:19:26
● 2026-02-18 05:52:02
● 2026-04-12 15:40:42

●NSmarek.ns.cloudflare.com2026-02-18 → 2026-04-12 · 3 obs

○ 2018-01-17 04:19:26
● 2026-02-18 05:52:02
● 2026-04-12 15:40:42

○NSns1.x-dialer.net2015-08-09 → 2015-08-09 · 3 obs

● 2015-08-09 15:11:16
○ 2015-11-22 17:18:50
○ 2026-04-12 15:40:42

○NSns2.x-dialer.net2015-08-09 → 2015-08-09 · 3 obs

● 2015-08-09 15:11:16
○ 2015-11-22 17:18:50
○ 2026-04-12 15:40:42

○NSns41.domaincontrol.com2015-11-22 → 2015-12-15 · 5 obs

○ 2015-08-09 15:11:16
● 2015-11-22 17:18:50
● 2015-12-15 02:13:52
○ 2016-01-13 03:07:06
○ 2026-04-12 15:40:42

○NSns42.domaincontrol.com2015-11-22 → 2015-12-15 · 5 obs

○ 2015-08-09 15:11:16
● 2015-11-22 17:18:50
● 2015-12-15 02:13:52
○ 2016-01-13 03:07:06
○ 2026-04-12 15:40:42

○NSns65.domaincontrol.com2016-01-13 → 2018-01-17 · 5 obs

○ 2015-12-15 02:13:52
● 2016-01-13 03:07:06
● 2018-01-17 04:19:26
○ 2026-02-18 05:52:02
○ 2026-04-12 15:40:42

○NSns66.domaincontrol.com2016-01-13 → 2018-01-17 · 5 obs

○ 2015-12-15 02:13:52
● 2016-01-13 03:07:06
● 2018-01-17 04:19:26
○ 2026-02-18 05:52:02
○ 2026-04-12 15:40:42

○MXmailstore1.secureserver.net2015-11-22 → 2018-01-17 · 5 obs

○ 2015-08-09 15:11:16
● 2015-11-22 17:18:50
● 2018-01-17 04:19:26
○ 2026-02-18 05:52:02
○ 2026-04-12 15:40:42

●MXmx.yandex.net2026-02-18 → 2026-04-12 · 3 obs

○ 2018-01-17 04:19:26
● 2026-02-18 05:52:02
● 2026-04-12 15:40:42

○MXsdf-kh.org2015-08-09 → 2015-08-09 · 3 obs

● 2015-08-09 15:11:16
○ 2015-11-22 17:18:50
○ 2026-04-12 15:40:42

○MXsmtp.secureserver.net2015-11-22 → 2018-01-17 · 5 obs

○ 2015-08-09 15:11:16
● 2015-11-22 17:18:50
● 2018-01-17 04:19:26
○ 2026-02-18 05:52:02
○ 2026-04-12 15:40:42

●A104.21.82.182026-02-18 → 2026-04-12 · 7 obs

○ 2018-01-17 04:19:26
● 2026-02-18 05:52:02
● 2026-02-19 04:23:52
○ 2026-02-22 18:37:16
○ 2026-02-23 18:35:46
● 2026-03-26 16:17:02
● 2026-04-12 15:40:42

●A172.67.193.1092026-02-18 → 2026-04-12 · 7 obs

○ 2018-01-17 04:19:26
● 2026-02-18 05:52:02
● 2026-02-19 04:23:52
○ 2026-02-22 18:37:16
○ 2026-02-23 18:35:46
● 2026-03-26 16:17:02
● 2026-04-12 15:40:42

○A184.168.221.552016-01-13 → 2018-01-17 · 5 obs

○ 2015-12-15 02:13:52
● 2016-01-13 03:07:06
● 2018-01-17 04:19:26
○ 2026-02-18 05:52:02
○ 2026-04-12 15:40:42

○A188.114.96.02026-02-22 → 2026-02-23 · 5 obs

○ 2026-02-19 04:23:52
● 2026-02-22 18:37:16
● 2026-02-23 18:35:46
○ 2026-03-26 16:17:02
○ 2026-04-12 15:40:42

○A188.114.97.02026-02-22 → 2026-02-23 · 5 obs

○ 2026-02-19 04:23:52
● 2026-02-22 18:37:16
● 2026-02-23 18:35:46
○ 2026-03-26 16:17:02
○ 2026-04-12 15:40:42

●A2606:4700:3031::6815:52122026-02-18 → 2026-04-12 · 7 obs

○ 2018-01-17 04:19:26
● 2026-02-18 05:52:02
● 2026-02-19 04:23:52
○ 2026-02-22 18:37:16
○ 2026-02-23 18:35:46
● 2026-03-26 16:17:02
● 2026-04-12 15:40:42

●A2606:4700:3034::ac43:c16d2026-02-18 → 2026-04-12 · 7 obs

○ 2018-01-17 04:19:26
● 2026-02-18 05:52:02
● 2026-02-19 04:23:52
○ 2026-02-22 18:37:16
○ 2026-02-23 18:35:46
● 2026-03-26 16:17:02
● 2026-04-12 15:40:42

○A2a06:98c1:3120::2026-02-22 → 2026-02-23 · 5 obs

○ 2026-02-19 04:23:52
● 2026-02-22 18:37:16
● 2026-02-23 18:35:46
○ 2026-03-26 16:17:02
○ 2026-04-12 15:40:42

○A2a06:98c1:3121::2026-02-22 → 2026-02-23 · 5 obs

○ 2026-02-19 04:23:52
● 2026-02-22 18:37:16
● 2026-02-23 18:35:46
○ 2026-03-26 16:17:02
○ 2026-04-12 15:40:42

○A50.63.202.662015-11-22 → 2015-12-15 · 5 obs

○ 2015-08-09 15:11:16
● 2015-11-22 17:18:50
● 2015-12-15 02:13:52
○ 2016-01-13 03:07:06
○ 2026-04-12 15:40:42

○A69.73.187.1652015-08-09 → 2015-08-09 · 3 obs

● 2015-08-09 15:11:16
○ 2015-11-22 17:18:50
○ 2026-04-12 15:40:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
sdf-kh.org	marek.ns.cloudflare.com, kristin.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.202

NS records: marek.ns.cloudflare.com, kristin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdf-kh.org (unsigned zone)

⏱️ Timing

Total: 323ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.82.18, 172.67.193.109`
AAAA	2	`2606:4700:3031::6815:5212, 2606:4700:3034::ac43:c16d`
NS	2	`kristin.ns.cloudflare.com, marek.ns.cloudflare.com`
MX	1	`mx.yandex.net (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kristin.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

sdf-kh.org maps to four IP numbers: 2606:4700:3031::6815:5212, 2606:4700:3034::ac43:c16d, 104.21.82.18 and 172.67.193.109.

Other host names, for instance www.dnsdun.com, prixi.com, unlockreseller.com, molot-guns.com and illness.org share IP numbers with sdf-kh.org.

Name Servers

Two name servers kristin.ns.cloudflare.com and marek.ns.cloudflare.com are delegated to sdf-kh.org.

sdf-kh.org uses the same name server configuration as other domains, such as little-ox.com, whitmanfd.com, wildtokyo59.com, spinline.com and spinlander21.com.

sdf-kh.org at least partially shares name servers with other domains such as diningcity.be, nowacs.com, aerocol.co.uk, aimsun.com.br and onestopias.com.

Host names with six IP numbers: Host name kristin.ns.cloudflare.com points to 2606:4700:50::adf5:3ab5, 2803:f800:50::6ca2:c0b5, 2a06:98c1:50::ac40:20b5, 108.162.192.181, 172.64.32.181 and 173.245.58.181; host name marek.ns.cloudflare.com points to 2606:4700:58::adf5:3bca, 2803:f800:50::6ca2:c1ca, 2a06:98c1:50::ac40:21ca, 108.162.193.202, 172.64.33.202 and 173.245.59.202.

Mail Servers

sdf-kh.org is handled by a single mail server, mx.yandex.net.

sdf-kh.org shares the same mail server setup as other domains, including bogurcu.com, alestaedm.com, forum47.ru, kibergus.su and stacom.ru.

sdf-kh.org shares some mail servers with other domains, for instance gosniibp.ru, nurnews.kg and www.detsky-doctor.ru.

Host name mx.yandex.net points to IPs 2a02:6b8::311 and 77.88.21.249.

sdf-kh.org - robtex.com

sdf-kh.org

org

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`sdf-kh.org`

`org`