`kalmanfilter.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:6006^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:961c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.96.6^{Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.28^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a56^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c056^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2056^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cloe.ns.cloudflare.com`
		A	108.162.192.86^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	172.64.32.86^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	173.245.58.86^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
NS	`toby.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
MX	`mx00.1and1.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.1and1.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`202303290541170nueik79o8talvnuaetwc4mx19m6dty3x1vs34ikm76memj8i6`
TXT	`2023032905420305ww2tzs2wxz0v292j5q2v5ml1s20ygaqhd6aw2w9wuexx2r5s`
TXT	`2023032905430223ag4d2m7cannzwtak13dq57bt1pjn3xlvr8hvxmjrposvj9vb`
TXT	`2023032905451954be3b1z7ie7c2r5d8uy6dn4adms9xzl00dkl0xhoop6nqn90x`
TXT	`2023032905491935xgchkwjnqr3x19y4oiwbe2ux4eu8nd19sw9ehr770tn11lpx`
TXT	`202303290557282dou9a6iz0ioe4m6naumt18e5x2oah2ui0d17uifei9i7fxgdd`
TXT	`google-site-verification=5EwQ9KGdADhUsrCGdoU9mG3wnnzOv1enkwSRULHorVc`
TXT	`v=spf1 include:_spf.perfora.net include:_spf.kundenserver.de -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.96.6, 172.67.150.28
		IPv6 hints	2606:4700:3031::6815:6006, 2606:4700:3036::ac43:961c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOA	`cloe.ns.cloudflare.com`dns@cloudflare.com serial=2400907004

`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=1778862146

rank #655709 globally
rank #19798 in the tld

Same first word

kalmanfilter.net

DNS History

19 records (8 active, 11 former)

●NScloe.ns.cloudflare.com2026-04-12 → 2026-05-15 · 3 obs

○ 2018-08-28 09:15:46
● 2026-04-12 14:16:08
● 2026-05-15 16:30:38

○NSns-us.1and1-dns.com2018-08-28 → 2018-08-28 · 4 obs

○ 2017-01-04 14:16:12
● 2018-08-28 09:15:46
○ 2026-04-12 14:16:08
○ 2026-05-15 16:30:38

○NSns-us.1and1-dns.de2018-08-28 → 2018-08-28 · 4 obs

○ 2017-01-04 14:16:12
● 2018-08-28 09:15:46
○ 2026-04-12 14:16:08
○ 2026-05-15 16:30:38

○NSns-us.1and1-dns.org2018-08-28 → 2018-08-28 · 4 obs

○ 2017-01-04 14:16:12
● 2018-08-28 09:15:46
○ 2026-04-12 14:16:08
○ 2026-05-15 16:30:38

○NSns-us.1and1-dns.us2018-08-28 → 2018-08-28 · 4 obs

○ 2017-01-04 14:16:12
● 2018-08-28 09:15:46
○ 2026-04-12 14:16:08
○ 2026-05-15 16:30:38

○NSns45.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 14:16:12
○ 2018-08-28 09:15:46
○ 2026-05-15 16:30:38

○NSns46.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 14:16:12
○ 2018-08-28 09:15:46
○ 2026-05-15 16:30:38

●NStoby.ns.cloudflare.com2026-04-12 → 2026-05-15 · 3 obs

○ 2018-08-28 09:15:46
● 2026-04-12 14:16:08
● 2026-05-15 16:30:38

○MXmailstore1.secureserver.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 14:16:12
○ 2018-08-28 09:15:46
○ 2026-05-15 16:30:38

●MXmx00.1and1.com2018-08-28 → 2026-05-15 · 3 obs

○ 2017-01-04 14:16:12
● 2018-08-28 09:15:46
● 2026-05-15 16:30:38

●MXmx01.1and1.com2018-08-28 → 2026-05-15 · 3 obs

○ 2017-01-04 14:16:12
● 2018-08-28 09:15:46
● 2026-05-15 16:30:38

○MXsmtp.secureserver.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 14:16:12
○ 2018-08-28 09:15:46
○ 2026-05-15 16:30:38

●A104.21.96.62026-04-12 → 2026-05-15 · 3 obs

○ 2018-08-28 09:15:46
● 2026-04-12 14:16:08
● 2026-05-15 16:30:38

●A172.67.150.282026-04-12 → 2026-05-15 · 3 obs

○ 2018-08-28 09:15:46
● 2026-04-12 14:16:08
● 2026-05-15 16:30:38

●A2606:4700:3031::6815:60062026-04-12 → 2026-05-15 · 3 obs

○ 2018-08-28 09:15:46
● 2026-04-12 14:16:08
● 2026-05-15 16:30:38

●A2606:4700:3036::ac43:961c2026-04-12 → 2026-05-15 · 3 obs

○ 2018-08-28 09:15:46
● 2026-04-12 14:16:08
● 2026-05-15 16:30:38

○A2607:f1c0:100f:f000::2532018-08-28 → 2018-08-28 · 4 obs

○ 2017-01-04 14:16:12
● 2018-08-28 09:15:46
○ 2026-04-12 14:16:08
○ 2026-05-15 16:30:38

○A50.63.202.612017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 14:16:12
○ 2018-08-28 09:15:46
○ 2026-05-15 16:30:38

○A74.208.236.1182018-08-28 → 2018-08-28 · 4 obs

○ 2017-01-04 14:16:12
● 2018-08-28 09:15:46
○ 2026-04-12 14:16:08
○ 2026-05-15 16:30:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kalmanfilter.net	cloe.ns.cloudflare.com, toby.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.239

NS records: cloe.ns.cloudflare.com, toby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kalmanfilter.net (unsigned zone)

⏱️ Timing

Total: 378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.28, 104.21.96.6`
AAAA	2	`2606:4700:3036::ac43:961c, 2606:4700:3031::6815:6006`
NS	2	`cloe.ns.cloudflare.com, toby.ns.cloudflare.com`
MX	2	`mx00.1and1.com (pri: 10), mx01.1and1.com (pri: 10)`
TXT	8	`202303290541170nueik79o8talvnuaetwc4mx19, 2023032905420305ww2tzs2wxz0v292j5q2v5ml1...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cloe.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

kalmanfilter.net resolves to four IP numbers: 2606:4700:3031::6815:6006, 2606:4700:3036::ac43:961c, 104.21.96.6 and 172.67.150.28.

other host names for instance v2.anirudhgoel.xyz, tees.design, ii618.com, orrofunlive.pro and mycretangoods.com share IP numbers with kalmanfilter.net.

Name Servers

kalmanfilter.net is delegated to two name servers: cloe.ns.cloudflare.com and toby.ns.cloudflare.com.

kalmanfilter.net shares the same name server setup as other domains, for example wbpoodle.com, fantinodavide.it, learninglaravel.net, majkl.me and zacharybiles.net.

kalmanfilter.net at least partially shares name servers with other domains, for instance townlife.com.au, slot88blue.org, flehost.com, myamz2022.com and (0x706f726e687562).forum.

These name servers are commonly used with ollie.ns.cloudflare.com, mitch.ns.cloudflare.com, norman.ns.cloudflare.com and chuck.ns.cloudflare.com.

Host names with six IP numbers:

cloe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a56, 2803:f800:50::6ca2:c056, 2a06:98c1:50::ac40:2056, 108.162.192.86, 172.64.32.86 and 173.245.58.86; toby.ns.cloudflare.com points to: 2606:4700:58::adf5:3bef, 2803:f800:50::6ca2:c1ef, 2a06:98c1:50::ac40:21ef, 108.162.193.239, 172.64.33.239 and 173.245.59.239.

Mail Servers

kalmanfilter.net is handled by two mail servers: mx00.1and1.com and mx01.1and1.com.

kalmanfilter.net shares the same mail server setup as other domains, for instance arctechnology.ro, s478515195.onlinehome.us, hometechonline.com, shaneshafferinc.com and chorduroyband.com.

kalmanfilter.net shares mail servers with other domains at least partially, including u16408827.onlinehome-server.com, u18988613.onlinehome-server.com, doodlepants.net, simpson.construction and gold-medal.ca.

Host names with one IP number:

The host mx00.1and1.com points to 74.208.5.3 and the host mx01.1and1.com points to 74.208.5.21.

kalmanfilter.net - robtex.com