libro.org - dns.ninja

`libro.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4b7b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:af97^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.123^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.151^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arvind.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arvind.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arvind.ns.cloudflare.com`
		A	108.162.195.227^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	162.159.44.227^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	172.64.35.227^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
NS	`elsa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elsa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elsa.ns.cloudflare.com`
		A	108.162.192.111^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	172.64.32.111^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	173.245.58.111^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=hQJkMUnw5XauowB7OBJwOj19UalN9YKUMXblhs2_3Ns`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.123, 172.67.175.151
		IPv6 hints	2606:4700:3031::6815:4b7b, 2606:4700:3031::ac43:af97
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=146, name=cloudflare-ech.com
SOA	`arvind.ns.cloudflare.com`dns@cloudflare.com serial=2407672590

`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=1785596841

Same first word

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DNS History

30 records (11 active, 19 former)

●NSarvind.ns.cloudflare.com2026-02-26 → 2026-08-01 · 6 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-08-01 15:48:40

●NSelsa.ns.cloudflare.com2026-02-26 → 2026-08-01 · 6 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-08-01 15:48:40

○NSns1.parkingcrew.net2015-08-12 → 2016-01-30 · 4 obs

● 2015-08-12 12:11:16
● 2016-01-30 01:36:00
○ 2016-05-06 14:39:38
○ 2026-08-01 15:48:40

○NSns1.sedoparking.com2016-05-06 → 2017-01-22 · 5 obs

○ 2016-01-30 01:36:00
● 2016-05-06 14:39:38
● 2017-01-22 06:53:10
○ 2026-02-26 13:47:38
○ 2026-08-01 15:48:40

○NSns13.domaincontrol.com2026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-13 08:56:50
● 2026-04-21 23:11:18
○ 2026-04-29 15:01:40
○ 2026-08-01 15:48:40

○NSns14.domaincontrol.com2026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-13 08:56:50
● 2026-04-21 23:11:18
○ 2026-04-29 15:01:40
○ 2026-08-01 15:48:40

○NSns2.parkingcrew.net2015-08-12 → 2016-01-30 · 4 obs

● 2015-08-12 12:11:16
● 2016-01-30 01:36:00
○ 2016-05-06 14:39:38
○ 2026-08-01 15:48:40

○NSns2.sedoparking.com2016-05-06 → 2017-01-22 · 5 obs

○ 2016-01-30 01:36:00
● 2016-05-06 14:39:38
● 2017-01-22 06:53:10
○ 2026-02-26 13:47:38
○ 2026-08-01 15:48:40

●MXalt1.aspmx.l.google.com2026-02-26 → 2026-08-01 · 6 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-08-01 15:48:40

●MXalt2.aspmx.l.google.com2026-02-26 → 2026-08-01 · 6 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-08-01 15:48:40

●MXalt3.aspmx.l.google.com2026-02-26 → 2026-08-01 · 6 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-08-01 15:48:40

●MXalt4.aspmx.l.google.com2026-02-26 → 2026-08-01 · 6 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-08-01 15:48:40

●MXaspmx.l.google.com2026-02-26 → 2026-08-01 · 6 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-08-01 15:48:40

○MXlocalhost2016-12-24 → 2017-01-22 · 5 obs

○ 2016-06-27 22:00:12
● 2016-12-24 12:53:08
● 2017-01-22 06:53:10
○ 2026-02-26 13:47:38
○ 2026-08-01 15:48:40

○MXmail.nickstel.com2016-05-06 → 2016-06-27 · 4 obs

● 2016-05-06 14:39:38
● 2016-06-27 22:00:12
○ 2016-12-24 12:53:08
○ 2026-08-01 15:48:40

●A104.21.75.1232026-02-26 → 2026-08-01 · 8 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-05-25 19:08:54
○ 2026-06-03 02:31:44
● 2026-08-01 15:48:40

○A13.248.213.452026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-13 08:56:50
● 2026-04-21 23:11:18
○ 2026-04-29 15:01:40
○ 2026-08-01 15:48:40

●A172.67.175.1512026-02-26 → 2026-08-01 · 8 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-05-25 19:08:54
○ 2026-06-03 02:31:44
● 2026-08-01 15:48:40

○A185.53.177.62015-08-12 → 2015-10-31 · 4 obs

● 2015-08-12 12:11:16
● 2015-10-31 17:30:50
○ 2016-01-20 23:27:36
○ 2026-08-01 15:48:40

○A185.53.177.82016-01-20 → 2016-01-30 · 5 obs

○ 2015-10-31 17:30:50
● 2016-01-20 23:27:36
● 2016-01-30 01:36:00
○ 2016-05-06 14:39:38
○ 2026-08-01 15:48:40

○A188.114.96.02026-06-03 → 2026-06-03 · 3 obs

○ 2026-05-25 19:08:54
● 2026-06-03 02:31:44
○ 2026-08-01 15:48:40

○A188.114.97.02026-06-03 → 2026-06-03 · 3 obs

○ 2026-05-25 19:08:54
● 2026-06-03 02:31:44
○ 2026-08-01 15:48:40

●A2606:4700:3031::6815:4b7b2026-08-01 → 2026-08-01 · 2 obs

○ 2026-06-03 02:31:44
● 2026-08-01 15:48:40

●A2606:4700:3031::ac43:af972026-08-01 → 2026-08-01 · 2 obs

○ 2026-06-03 02:31:44
● 2026-08-01 15:48:40

○A2606:4700:3034::ac43:af972026-02-26 → 2026-05-25 · 8 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-05-25 19:08:54
○ 2026-06-03 02:31:44
○ 2026-08-01 15:48:40

○A2606:4700:3036::6815:4b7b2026-02-26 → 2026-05-25 · 8 obs

○ 2017-01-22 06:53:10
● 2026-02-26 13:47:38
● 2026-04-13 08:56:50
○ 2026-04-21 23:11:18
● 2026-04-29 15:01:40
● 2026-05-25 19:08:54
○ 2026-06-03 02:31:44
○ 2026-08-01 15:48:40

○A2a06:98c1:3120::2026-06-03 → 2026-06-03 · 3 obs

○ 2026-05-25 19:08:54
● 2026-06-03 02:31:44
○ 2026-08-01 15:48:40

○A2a06:98c1:3121::2026-06-03 → 2026-06-03 · 3 obs

○ 2026-05-25 19:08:54
● 2026-06-03 02:31:44
○ 2026-08-01 15:48:40

○A72.52.4.912016-05-06 → 2017-01-22 · 5 obs

○ 2016-01-30 01:36:00
● 2016-05-06 14:39:38
● 2017-01-22 06:53:10
○ 2026-02-26 13:47:38
○ 2026-08-01 15:48:40

○A76.223.67.1892026-04-21 → 2026-04-21 · 4 obs

○ 2026-04-13 08:56:50
● 2026-04-21 23:11:18
○ 2026-04-29 15:01:40
○ 2026-08-01 15:48:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org	-
libro.org	elsa.ns.cloudflare.com, arvind.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.227

NS records: elsa.ns.cloudflare.com, arvind.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for libro.org (unsigned zone)

⏱️ Timing

Total: 354ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.175.151, 104.21.75.123`
AAAA	2	`2606:4700:3031::ac43:af97, 2606:4700:3031::6815:4b7b`
NS	2	`arvind.ns.cloudflare.com, elsa.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=hQJkMUnw5XauowB, v=spf1 include:_spf.google.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arvind.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

libro.org directs to four IP numbers, which are 104.21.75.123, 172.67.175.151, 2606:4700:3031::6815:4b7b and 2606:4700:3031::ac43:af97.

Additional host names — 80ft.com.cn, zoo(0x786e7878).pro, slotrushm.nl and two others — share IP numbers with libro.org.

Name Servers

libro.org is delegated to two name servers: arvind.ns.cloudflare.com and elsa.ns.cloudflare.com.

libro.org shares its name server setup with other domains, including soundtrackost.com, bending.ai, pelicancasinoid.shop and two others.

The name servers of libro.org overlap at least partially with those of other domains — among them shrib.com, d8rs88.top, h-lange.com and two more.

These name servers commonly appear alongside the name servers gail.ns.cloudflare.com and addilyn.ns.cloudflare.com.

Host names with 6 IP numbers:

arvind.ns.cloudflare.com resolves to 108.162.195.227, 162.159.44.227, 172.64.35.227 and 3 other IP addresses.

elsa.ns.cloudflare.com resolves to 108.162.192.111, 172.64.32.111, 173.245.58.111 and 3 other IP addresses.

Mail Servers

Five mail servers handle libro.org: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

libro.org shares mail servers — at least in part — with other domains, including ns500758.ns500759.ns500759.ns500758.ns500698.ns500735.ns500735.ns500698.ns500735.ns500736.ns500698.ns500708.ns500576.ns500619.ns500686.ns500619.ns500576.trackreceptor.com, ns500671.ns500671.ns500754.ns500731.ns500754.ns500704.ns500704.ns500678.ns500704.ns500649.lustychickser.com, ns500731.ns500671.ns500742.ns500704.ns500688.ns500704.ns500678.ns500688.ns500671.ns500678.ns500649.ns500666.ns500653.ns500153.tenderladiesbz.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 172.253.63.26 and 2607:f8b0:4004:c06::1b.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.