jeff.dev - dns.ninja

`jeff.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:c45c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1524^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.36^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.92^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kianchau.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kianchau.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kianchau.ns.cloudflare.com`
		A	108.162.195.179^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	162.159.44.179^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
		A	172.64.35.179^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kianchau.ns.cloudflare.com`
NS	`priscilla.ns.cloudflare.com`
		A	2606:4700:50::a29f:26bd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`priscilla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2bd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`priscilla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22bd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`priscilla.ns.cloudflare.com`
		A	108.162.194.189^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`priscilla.ns.cloudflare.com`
		A	162.159.38.189^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`priscilla.ns.cloudflare.com`
		A	172.64.34.189^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`priscilla.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4001:c21::1a^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f26.1e100.net`
		A	142.251.127.27^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4025:c01::1b^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f27.1e100.net`
		A	142.250.147.26^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f26.1e100.net`
TXT	`google-site-verification=C7pdudRHY77A057BWq_K-uPHUqeMOA5YBc4q_UFH3xA`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.36, 172.67.196.92
		IPv6 hints	2606:4700:3033::ac43:c45c, 2606:4700:3036::6815:1524
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com
SOA	`kianchau.ns.cloudflare.com`dns@cloudflare.com serial=2405475186

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

jeff.com.sg

jeff.lk

jeff.asia

jeff.cool

jeff.codes

jeff.com.cn

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jeff.pictures

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Similar names

ffje.org

fejf.de

jffe.com

ejff.no

effj.com

fjef.com

ejff.org

effj.solutions

ffej.org

ffej.net

efjf.com

efjf.xyz

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ejff.eu

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ejff.ru

DNS History

20 records (11 active, 9 former)

●NSkianchau.ns.cloudflare.com2026-02-19 → 2026-06-21 · 2 obs

● 2026-02-19 22:04:42
● 2026-06-21 14:03:10

●NSpriscilla.ns.cloudflare.com2026-02-19 → 2026-06-21 · 2 obs

● 2026-02-19 22:04:42
● 2026-06-21 14:03:10

●MXalt1.aspmx.l.google.com2026-02-19 → 2026-06-21 · 2 obs

● 2026-02-19 22:04:42
● 2026-06-21 14:03:10

●MXalt2.aspmx.l.google.com2026-02-19 → 2026-06-21 · 2 obs

● 2026-02-19 22:04:42
● 2026-06-21 14:03:10

●MXalt3.aspmx.l.google.com2026-02-19 → 2026-06-21 · 2 obs

● 2026-02-19 22:04:42
● 2026-06-21 14:03:10

●MXalt4.aspmx.l.google.com2026-02-19 → 2026-06-21 · 2 obs

● 2026-02-19 22:04:42
● 2026-06-21 14:03:10

●MXaspmx.l.google.com2026-02-19 → 2026-06-21 · 2 obs

● 2026-02-19 22:04:42
● 2026-06-21 14:03:10

●A104.21.21.362026-03-09 → 2026-06-21 · 9 obs

○ 2026-02-19 22:04:42
● 2026-03-09 14:00:54
● 2026-04-13 21:47:38
○ 2026-04-14 19:50:20
● 2026-05-01 05:10:06
● 2026-05-24 00:54:18
○ 2026-05-28 02:37:16
● 2026-05-28 04:20:58
● 2026-06-21 14:03:10

●A172.67.196.922026-03-09 → 2026-06-21 · 9 obs

○A188.114.96.02026-02-19 → 2026-04-14 · 6 obs

● 2026-02-19 22:04:42
○ 2026-03-09 14:00:54
○ 2026-04-13 21:47:38
● 2026-04-14 19:50:20
○ 2026-05-01 05:10:06
○ 2026-06-21 14:03:10

○A188.114.96.42026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-24 00:54:18
● 2026-05-28 02:37:16
○ 2026-05-28 04:20:58
○ 2026-06-21 14:03:10

○A188.114.97.02026-02-19 → 2026-04-14 · 6 obs

● 2026-02-19 22:04:42
○ 2026-03-09 14:00:54
○ 2026-04-13 21:47:38
● 2026-04-14 19:50:20
○ 2026-05-01 05:10:06
○ 2026-06-21 14:03:10

○A188.114.97.42026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-24 00:54:18
● 2026-05-28 02:37:16
○ 2026-05-28 04:20:58
○ 2026-06-21 14:03:10

●A2606:4700:3033::ac43:c45c2026-03-09 → 2026-06-21 · 9 obs

●A2606:4700:3036::6815:15242026-03-09 → 2026-06-21 · 9 obs

○A2a06:98c1:3120::2026-04-14 → 2026-04-14 · 4 obs

○ 2026-04-13 21:47:38
● 2026-04-14 19:50:20
○ 2026-05-01 05:10:06
○ 2026-06-21 14:03:10

○A2a06:98c1:3120::42026-02-19 → 2026-05-28 · 6 obs

● 2026-02-19 22:04:42
○ 2026-03-09 14:00:54
○ 2026-05-24 00:54:18
● 2026-05-28 02:37:16
○ 2026-05-28 04:20:58
○ 2026-06-21 14:03:10

○A2a06:98c1:3121::2026-04-14 → 2026-04-14 · 4 obs

○ 2026-04-13 21:47:38
● 2026-04-14 19:50:20
○ 2026-05-01 05:10:06
○ 2026-06-21 14:03:10

○A2a06:98c1:3121::42026-02-19 → 2026-05-28 · 6 obs

● 2026-02-19 22:04:42
○ 2026-03-09 14:00:54
○ 2026-05-24 00:54:18
● 2026-05-28 02:37:16
○ 2026-05-28 04:20:58
○ 2026-06-21 14:03:10

○A76.76.21.212026-02-19 → 2026-06-21 · 2 obs

○ 2026-02-19 22:04:42
○ 2026-06-21 14:03:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
jeff.dev	priscilla.ns.cloudflare.com, kianchau.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.189

NS records: priscilla.ns.cloudflare.com, kianchau.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jeff.dev (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.196.92, 104.21.21.36`
AAAA	2	`2606:4700:3033::ac43:c45c, 2606:4700:3036::6815:1524`
NS	2	`kianchau.ns.cloudflare.com, priscilla.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=C7pdudRHY77A057, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kianchau.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

jeff.dev resolves to four IP addresses: 104.21.21.36, 172.67.196.92, 2606:4700:3033::ac43:c45c and 2606:4700:3036::6815:1524.

kadinkotaciamis.org, switchtowordpress.com, www.fescuekudu.digital plus two other host names have IP numbers in common with jeff.dev.

Name Servers

DNS delegation for jeff.dev points to two name servers: kianchau.ns.cloudflare.com and priscilla.ns.cloudflare.com.

The name server configuration of jeff.dev is shared with other domains, for instance nsr.expert, quadra-tec.net, nordic.cafe and two others.

jeff.dev partially shares its NS delegation with several other domains, including audiocom-uk.com, doweqorahaoenix.com, xenon.ua and two others.

These name servers are regularly seen alongside aspen.ns.cloudflare.com and karsyn.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

kianchau.ns.cloudflare.com has IP addresses 108.162.195.179, 162.159.44.179 and 172.64.35.179, plus 3 other.

priscilla.ns.cloudflare.com has IP addresses 108.162.194.189, 162.159.38.189 and 172.64.34.189, plus 3 other.

Mail Servers

jeff.dev is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by jeff.dev are shared with other domains: peakgreen.com, drcga.org, makmel.com and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com has two IP addresses: 172.253.122.26 and 2607:f8b0:4004:c21::1b.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 142.251.127.27 and 2a00:1450:4001:c21::1a.

alt4.aspmx.l.google.com has two IP addresses: 142.250.147.26 and 2a00:1450:4025:c01::1b.