`davidzeltser.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:9b73^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:d5a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.90^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.115^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leah.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c081^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2081^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leah.ns.cloudflare.com`
		A	108.162.192.129^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	172.64.32.129^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	173.245.58.129^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
NS	`stanley.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stanley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stanley.ns.cloudflare.com`
		A	108.162.195.141^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	162.159.44.141^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	172.64.35.141^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
MX	`mx-biz.mail.am0.yahoodns.net` ⭐
		A	67.195.204.83^{🇺🇸 Yahoo67.195.204.0/24 Verizon Media BF1}
			PTR	`mtaproxy1.biz.mail.vip.bf1.yahoo.com`
		A	67.195.228.75^{🇺🇸 Yahoo67.195.228.0/24 Verizon Media GQ1}
			PTR	`mtaproxy1.biz.mail.vip.gq1.yahoo.com`
TXT	`google-site-verification=ZI3YPFdskIilXOWiw6vaRNlW_T3dwKuKyZ3REg_5iQs`
TXT	`i=183&m=domains-mx2-p9`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.13.90, 172.67.155.115
		IPv6	2606:4700:3036::ac43:9b73, 2606:4700:3037::6815:d5a
SOA	`leah.ns.cloudflare.com`dns@cloudflare.com serial=2399417390

`com`

	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=1771291435

Previously NS for

davidzeltser.com

Same first word

davidzeltser.com

DNS History

18 records (7 active, 11 former)

○NSdavidzeltser.com2015-08-17 → 2016-03-17 · 4 obs

● 2015-08-17 10:38:56
● 2016-03-17 13:01:54
○ 2016-07-13 05:27:54
○ 2026-03-22 23:20:08

●NSleah.ns.cloudflare.com2026-02-15 → 2026-03-22 · 3 obs

○ 2016-07-13 05:27:54
● 2026-02-15 20:54:24
● 2026-03-22 23:20:08

○NSns-344.awsdns-43.com2016-07-13 → 2016-07-13 · 4 obs

○ 2016-03-17 13:01:54
● 2016-07-13 05:27:54
○ 2026-02-15 20:54:24
○ 2026-03-22 23:20:08

○NSns.scratchspace.com2015-08-17 → 2016-07-13 · 4 obs

● 2015-08-17 10:38:56
● 2016-07-13 05:27:54
○ 2026-02-15 20:54:24
○ 2026-03-22 23:20:08

○NSns2.scratchspace.com2015-08-17 → 2016-07-13 · 4 obs

● 2015-08-17 10:38:56
● 2016-07-13 05:27:54
○ 2026-02-15 20:54:24
○ 2026-03-22 23:20:08

○NSns3.scratchspace.com2016-07-13 → 2016-07-13 · 4 obs

○ 2016-03-17 13:01:54
● 2016-07-13 05:27:54
○ 2026-02-15 20:54:24
○ 2026-03-22 23:20:08

○NSns4.scratchspace.com2016-07-13 → 2016-07-13 · 4 obs

○ 2016-03-17 13:01:54
● 2016-07-13 05:27:54
○ 2026-02-15 20:54:24
○ 2026-03-22 23:20:08

●NSstanley.ns.cloudflare.com2026-02-15 → 2026-03-22 · 3 obs

○ 2016-07-13 05:27:54
● 2026-02-15 20:54:24
● 2026-03-22 23:20:08

●MXmx-biz.mail.am0.yahoodns.net2015-08-17 → 2026-03-22 · 2 obs

● 2015-08-17 10:38:56
● 2026-03-22 23:20:08

●A104.21.13.902026-02-15 → 2026-03-22 · 6 obs

○ 2016-07-13 05:27:54
● 2026-02-15 20:54:24
○ 2026-02-27 18:46:28
○ 2026-03-03 01:18:48
● 2026-03-17 00:22:04
● 2026-03-22 23:20:08

●A172.67.155.1152026-02-15 → 2026-03-22 · 6 obs

○ 2016-07-13 05:27:54
● 2026-02-15 20:54:24
○ 2026-02-27 18:46:28
○ 2026-03-03 01:18:48
● 2026-03-17 00:22:04
● 2026-03-22 23:20:08

○A188.114.96.02026-02-27 → 2026-03-03 · 5 obs

○ 2026-02-15 20:54:24
● 2026-02-27 18:46:28
● 2026-03-03 01:18:48
○ 2026-03-17 00:22:04
○ 2026-03-22 23:20:08

○A188.114.97.02026-02-27 → 2026-03-03 · 5 obs

○ 2026-02-15 20:54:24
● 2026-02-27 18:46:28
● 2026-03-03 01:18:48
○ 2026-03-17 00:22:04
○ 2026-03-22 23:20:08

○A209.66.86.1772015-08-17 → 2016-07-13 · 4 obs

● 2015-08-17 10:38:56
● 2016-07-13 05:27:54
○ 2026-02-15 20:54:24
○ 2026-03-22 23:20:08

●A2606:4700:3036::ac43:9b732026-02-15 → 2026-03-22 · 6 obs

○ 2016-07-13 05:27:54
● 2026-02-15 20:54:24
○ 2026-02-27 18:46:28
○ 2026-03-03 01:18:48
● 2026-03-17 00:22:04
● 2026-03-22 23:20:08

●A2606:4700:3037::6815:d5a2026-02-15 → 2026-03-22 · 6 obs

○ 2016-07-13 05:27:54
● 2026-02-15 20:54:24
○ 2026-02-27 18:46:28
○ 2026-03-03 01:18:48
● 2026-03-17 00:22:04
● 2026-03-22 23:20:08

○A2a06:98c1:3120::2026-02-27 → 2026-03-03 · 5 obs

○ 2026-02-15 20:54:24
● 2026-02-27 18:46:28
● 2026-03-03 01:18:48
○ 2026-03-17 00:22:04
○ 2026-03-22 23:20:08

○A2a06:98c1:3121::2026-02-27 → 2026-03-03 · 5 obs

○ 2026-02-15 20:54:24
● 2026-02-27 18:46:28
● 2026-03-03 01:18:48
○ 2026-03-17 00:22:04
○ 2026-03-22 23:20:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
davidzeltser.com	leah.ns.cloudflare.com, stanley.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.129

NS records: leah.ns.cloudflare.com, stanley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for davidzeltser.com (unsigned zone)

⏱️ Timing

Total: 277ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.90, 172.67.155.115`
AAAA	2	`2606:4700:3036::ac43:9b73, 2606:4700:3037::6815:d5a`
NS	2	`leah.ns.cloudflare.com, stanley.ns.cloudflare.com`
MX	1	`mx-biz.mail.am0.yahoodns.net (pri: 10)`
TXT	2	`google-site-verification=ZI3YPFdskIilXOW, i=183&m=domains-mx2-p9`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leah.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (leah.ns.cloudflare.com, leah.ns.cloudflare.com, leah.ns.cloudflare.com...)

Analysis

IP Addresses

davidzeltser.com maps to four IP numbers: 2606:4700:3036::ac43:9b73, 2606:4700:3037::6815:d5a, 104.21.13.90 and 172.67.155.115.

Other host names, for instance relaxmashmusic.org, rightathomemass.com, americandigest.org, itsyouridea.net and blogtechsoeasy.com share IP numbers with davidzeltser.com.

Name Servers

Two name servers leah.ns.cloudflare.com and stanley.ns.cloudflare.com are delegated to davidzeltser.com.

davidzeltser.com uses the same name server configuration as other domains, such as jav69.blog, gpcstudios.com, trezorr-start-io-hub.pages.dev, savethegeeks.co.uk and zorotv.com.ro.

davidzeltser.com at least partially shares name servers with other domains such as beteumcasino.fi, wapscalculator.com, 01-d.com, mianfeibofangpiandapian11.net.cn and fithub.com.co.

These name servers are commonly used alongside kristin.ns.cloudflare.com, mark.ns.cloudflare.com and vida.ns.cloudflare.com.

Host names with six IP numbers: Host name leah.ns.cloudflare.com points to 2606:4700:50::adf5:3a81, 2803:f800:50::6ca2:c081, 2a06:98c1:50::ac40:2081, 108.162.192.129, 172.64.32.129 and 173.245.58.129; host name stanley.ns.cloudflare.com points to 2606:4700:58::a29f:2c8d, 2803:f800:50::6ca2:c38d, 2a06:98c1:50::ac40:238d, 108.162.195.141, 162.159.44.141 and 172.64.35.141.

Mail Servers

davidzeltser.com is handled by a single mail server, mx-biz.mail.am0.yahoodns.net.

davidzeltser.com shares the same mail server setup as other domains, including stevenjmilloy.com, bluesbottleband.com, drbenjaminbradleybolger.com, waterfordlakespt.com and fedbd.com.

davidzeltser.com shares mail servers with other domains at least in part, for instance hkgameclub.com, positiveperspectives.org, kristjanagunnarswritings.com, jasongallojr.com and bmifr.com.

Host name mx-biz.mail.am0.yahoodns.net points to IPs 67.195.204.83 and 67.195.228.75.

davidzeltser.com - robtex.com