`hebdevbook.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:27e2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9562^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.226^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.98^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`abby.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c064^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`abby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2064^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`abby.ns.cloudflare.com`
		A	108.162.192.100^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	172.64.32.100^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	173.245.58.100^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
NS	`hank.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c174^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2174^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hank.ns.cloudflare.com`
		A	108.162.193.116^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	172.64.33.116^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	173.245.59.116^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=9c776022665fb323e5a6080746ad71d347872eb7`
TXT	`v=spf1 ip4:192.116.71.76" include:amazonses.com include:_spf.protonmail.ch m...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.39.226, 172.67.149.98
		IPv6 hints	2606:4700:3035::6815:27e2, 2606:4700:3035::ac43:9562
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOA	`abby.ns.cloudflare.com`dns@cloudflare.com serial=2408128006

`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=1783788552

Same first word

hebdevbook.com

DNS History

21 records (8 active, 13 former)

●NSabby.ns.cloudflare.com2026-03-05 → 2026-07-11 · 3 obs

○ 2019-12-17 00:49:44
● 2026-03-05 08:30:04
● 2026-07-11 17:10:06

●NShank.ns.cloudflare.com2026-03-05 → 2026-07-11 · 3 obs

○ 2019-12-17 00:49:44
● 2026-03-05 08:30:04
● 2026-07-11 17:10:06

○NSns1.itm3.siteground.biz2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 00:49:44
○ 2026-03-05 08:30:04
○ 2026-07-11 17:10:06

○NSns1.spd.co.il2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 00:49:44
○ 2026-03-05 08:30:04
○ 2026-07-11 17:10:06

○NSns2.spd.co.il2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 00:49:44
○ 2026-03-05 08:30:04
○ 2026-07-11 17:10:06

●MXmail.protonmail.ch2026-03-05 → 2026-07-11 · 3 obs

○ 2019-12-17 00:49:44
● 2026-03-05 08:30:04
● 2026-07-11 17:10:06

○MXmailgw.spd.co.il2019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 00:49:44
○ 2026-03-05 08:30:04
○ 2026-07-11 17:10:06

●MXmailsec.protonmail.ch2026-03-05 → 2026-07-11 · 3 obs

○ 2019-12-17 00:49:44
● 2026-03-05 08:30:04
● 2026-07-11 17:10:06

●A104.21.39.2262026-04-07 → 2026-07-11 · 26 obs

○ 2026-03-05 08:30:04
● 2026-04-07 13:59:30
○ 2026-04-08 13:57:10
○ 2026-04-17 14:26:48
● 2026-04-30 19:57:18
● 2026-04-30 23:11:56
○ 2026-04-30 23:56:30
○ 2026-05-07 06:33:52
● 2026-05-07 14:52:58
○ 2026-05-08 00:23:22
○ 2026-05-10 21:11:14
● 2026-05-11 19:50:12
○ 2026-05-16 14:39:06
● 2026-05-28 00:04:32
● 2026-06-07 16:30:00
○ 2026-06-07 22:49:58
● 2026-06-08 03:08:52
● 2026-06-08 05:02:32
○ 2026-06-08 22:33:34
● 2026-06-14 00:59:34
● 2026-06-15 12:05:42
○ 2026-06-20 14:34:54
● 2026-06-22 09:34:16
○ 2026-07-03 17:44:02
● 2026-07-11 12:18:04
● 2026-07-11 17:10:06

○A162.159.137.92026-04-08 → 2026-04-17 · 5 obs

○ 2026-04-07 13:59:30
● 2026-04-08 13:57:10
● 2026-04-17 14:26:48
○ 2026-04-30 19:57:18
○ 2026-07-11 17:10:06

○A162.159.138.92026-04-08 → 2026-04-17 · 5 obs

○ 2026-04-07 13:59:30
● 2026-04-08 13:57:10
● 2026-04-17 14:26:48
○ 2026-04-30 19:57:18
○ 2026-07-11 17:10:06

●A172.67.149.982026-04-07 → 2026-07-11 · 26 obs

○A188.114.96.02026-03-05 → 2026-07-03 · 24 obs

○ 2019-12-17 00:49:44
● 2026-03-05 08:30:04
○ 2026-04-07 13:59:30
○ 2026-04-30 23:11:56
● 2026-04-30 23:56:30
● 2026-05-07 06:33:52
○ 2026-05-07 14:52:58
● 2026-05-08 00:23:22
● 2026-05-10 21:11:14
○ 2026-05-11 19:50:12
● 2026-05-16 14:39:06
○ 2026-05-28 00:04:32
○ 2026-06-07 16:30:00
● 2026-06-07 22:49:58
○ 2026-06-08 03:08:52
○ 2026-06-08 05:02:32
● 2026-06-08 22:33:34
○ 2026-06-14 00:59:34
○ 2026-06-15 12:05:42
● 2026-06-20 14:34:54
○ 2026-06-22 09:34:16
● 2026-07-03 17:44:02
○ 2026-07-11 12:18:04
○ 2026-07-11 17:10:06

○A188.114.97.02026-03-05 → 2026-07-03 · 24 obs

○A192.116.71.762019-12-17 → 2019-12-17 · 3 obs

● 2019-12-17 00:49:44
○ 2026-03-05 08:30:04
○ 2026-07-11 17:10:06

○A2606:4700:3032::6815:27e22026-04-07 → 2026-06-15 · 23 obs

●A2606:4700:3035::6815:27e22026-06-22 → 2026-07-11 · 5 obs

○ 2026-06-20 14:34:54
● 2026-06-22 09:34:16
○ 2026-07-03 17:44:02
● 2026-07-11 12:18:04
● 2026-07-11 17:10:06

●A2606:4700:3035::ac43:95622026-06-22 → 2026-07-11 · 5 obs

○ 2026-06-20 14:34:54
● 2026-06-22 09:34:16
○ 2026-07-03 17:44:02
● 2026-07-11 12:18:04
● 2026-07-11 17:10:06

○A2606:4700:3037::ac43:95622026-04-07 → 2026-06-15 · 23 obs

○A2a06:98c1:3120::2026-03-05 → 2026-07-03 · 24 obs

○A2a06:98c1:3121::2026-03-05 → 2026-07-03 · 24 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
hebdevbook.com	abby.ns.cloudflare.com, hank.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.116

NS records: abby.ns.cloudflare.com, hank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hebdevbook.com (unsigned zone)

⏱️ Timing

Total: 201ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.39.226, 172.67.149.98`
AAAA	2	`2606:4700:3035::ac43:9562, 2606:4700:3035::6815:27e2`
NS	2	`abby.ns.cloudflare.com, hank.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=9c776022665fb323, v=spf1 ip4:192.116.71.76" include:amazo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`abby.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

hebdevbook.com has four IP addresses: 104.21.39.226, 172.67.149.98, 2606:4700:3035::6815:27e2 and 2606:4700:3035::ac43:9562.

my-beeline-ru.ru, cosmeticsharpeners.com, dst-sda.ru and two other host names share IP numbers with hebdevbook.com.

Name Servers

Two name servers handle the delegation for hebdevbook.com: abby.ns.cloudflare.com and hank.ns.cloudflare.com.

hebdevbook.com uses the same name servers as several other domains — among them opendesign.dev, magnusconferences.com, postalbin.com and two more.

hebdevbook.com has at least partial name server overlap with other domains, such as serviciosgraficos.mx, largecottage.ca, all-in-one.be and two others.

It is common to see these name servers used together with name servers lloyd.ns.cloudflare.com and shubhi.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

abby.ns.cloudflare.com resolves to 108.162.192.100, 172.64.32.100 and 173.245.58.100 among others, with 3 other IP addresses in total.

hank.ns.cloudflare.com resolves to 108.162.193.116, 172.64.33.116 and 173.245.59.116 among others, with 3 other IP addresses in total.

Mail Servers

Mail for hebdevbook.com is handled by two mail servers — mail.protonmail.ch and mailsec.protonmail.ch.

hebdevbook.com uses an identical mail server configuration to several other domains — among them bats.ink, jasonamartin.com, mymailguard.com and two more.

hebdevbook.com has at least partial mail server overlap with other domains such as fschaupp.me, infosecurity.pro, monocode.com and two more.

mail.protonmail.ch and mailsec.protonmail.ch each have three IP addresses — mail.protonmail.ch directs to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch directs to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

hebdevbook.com - robtex.com

hebdevbook.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`hebdevbook.com`

`com`