`lib.us2.onfirstup.com`

DNSSEC	⚠️ Not signed
A	13.33.109.12^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
		PTR	`server-13-33-109-12.bos50.r.cloudfront.net`
A	13.33.109.38^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.108^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.127^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}

`us2.onfirstup.com`

	DNSSEC	⚠️ Not signed
	A	3.13.201.121^{🇺🇸 Amazon3.13.0.0/16 EC2 CMH prefix}
	A	16.58.168.249^{🇺🇸 Amazon16.58.128.0/17 EC2 Prefix}
	A	18.190.33.123^{🇺🇸 Amazon18.190.0.0/16 EC2 CMH prefix}
	NS	`ns-920.awsdns-51.net` ⭐
	NS	`ns-1178.awsdns-19.org`
	NS	`ns-2037.awsdns-62.co.uk`
	NS	`ns-492.awsdns-61.com`
	TXT	`heritage=external-dns,external-dns/owner=sc-prod-us2,external-dns/resource=in...`
	SOA	`ns-920.awsdns-51.net`awsdns-hostmaster@amazon.com serial=1

Same first word

lib.ma.us

lib.ac

lib.wv.us

lib.in.us

lib.zone

lib.pl

lib.com.br

lib.adachi.tokyo.jp

lib.nm.us

lib.va.us

lib.li

lib.sagamihara.kanagawa.jp

lib.mba

lib.ota.gunma.jp

lib.az

lib.hatenablog.com

lib.hitachinaka.ibaraki.jp

lib.fi

lib.sg

lib.sx.cn

lib.com.au

lib.cat

lib.sc.us

lib.fr

lib.pa.us

lib.hk

lib.camp

lib.higashiyamato.tokyo.jp

lib.com.tw

lib.nj.us

lib.if.ua

lib.re

lib.co.us

lib.tel

lib.com

lib.mo.us

lib.bg

lib.ah.cn

lib.tf

lib.ru

lib.il.us

lib.nc.us

lib.ink

lib.ok.us

lib.org.cn

lib.ks.us

lib.oh.us

lib.kiev.ua

lib.fl.us

lib.la

lib.nerima.tokyo.jp

lib.mi.us

lib.mn

lib.ibaraki.osaka.jp

lib.kh.ua

lib.lt

lib.kherson.ua

lib.ms

lib.news

lib.kg

lib.tax

lib.media

lib.wy.us

lib.ua

lib.wtf

lib.mn.us

lib.sk

lib.social

lib.net.ru

lib.org.ua

lib.reviews

lib.kr.ua

lib.rs

lib.com.ua

lib.hu

lib.ch

lib.run

lib.ny.us

lib.ne.us

lib.sinaapp.com

lib.to.gov.br

lib.eco

lib.joetsu.niigata.jp

lib.or.us

lib.video

lib.ar.us

lib.tw

lib.zt.ua

lib.mt.us

lib.aero

lib.ia.us

lib.ovh

lib.al

lib.lgbt

lib.ee

lib.zip

lib.iq

lib.me.us

lib.tajimi.gifu.jp

lib.toyonaka.osaka.jp

Similar names

bli.es

bil.li

bil.us

ibl.com.tw

bli.ca

ilb.com.br

ibl.edu.pk

bli.org

ibl.com.ua

bil.city

bil.jp

bli.de

ilb.org

ilb.cl

ilb.co.za

ibl.nl

bli.al

ibl.bm

ibl.email

ibl.mobi

lbi.gmbh

bli.nl

ibl.education

ibl.group

bil.ir

bil.se

bli.sh

bil.me

bli.net

ibl.engineering

ilb.it

ibl.pl

ilb.co

ilb.co.jp

ilb.de

lbi.co.il

lbi.gr

ilb.fr

lbi.su

ilb.es

ibl.mx

bil.bz

bil.link

bil.cn

ibl.ro

lbi.net.pk

bil.academy

ibl.at

bli.su

bil.digital

bil.al

bil.hr

ilb.io

bil.co.tz

bil.fi

ibl.or.id

bil.lease

bil.su

DNS History

16 records (4 active, 12 former)

○A108.158.173.1062026-04-21 → 2026-04-30 · 32 obs

○ 2026-04-21 00:05:56
● 2026-04-21 00:44:06
○ 2026-04-21 14:30:46
○ 2026-04-25 02:38:20
● 2026-04-25 03:20:52
● 2026-04-25 05:19:30
○ 2026-04-25 06:03:34
○ 2026-04-26 08:48:00
● 2026-04-26 12:39:44
○ 2026-04-26 13:45:08
● 2026-04-26 14:27:50
○ 2026-04-26 19:18:28
○ 2026-04-27 05:54:44
● 2026-04-27 06:25:08
○ 2026-04-27 08:43:44
○ 2026-04-27 16:53:46
● 2026-04-27 18:02:04
○ 2026-04-27 22:15:10
○ 2026-04-29 04:26:36
● 2026-04-29 07:58:42
○ 2026-04-29 09:20:48
● 2026-04-29 10:08:24
○ 2026-04-29 13:26:00
● 2026-04-29 14:09:24
○ 2026-04-29 14:56:48
○ 2026-04-30 11:38:42
● 2026-04-30 12:58:42
○ 2026-04-30 14:06:58
○ 2026-04-30 18:54:16
● 2026-04-30 21:45:24
○ 2026-04-30 23:45:36
○ 2026-05-01 03:23:50

○A108.158.173.1182026-04-21 → 2026-04-30 · 32 obs

○A108.158.173.182026-04-21 → 2026-04-30 · 32 obs

○A108.158.173.322026-04-21 → 2026-04-30 · 32 obs

●A13.33.109.1082026-04-22 → 2026-05-01 · 38 obs

○ 2026-04-22 00:15:18
● 2026-04-22 00:52:48
○ 2026-04-22 02:49:40
○ 2026-04-23 00:11:24
● 2026-04-23 03:44:24
○ 2026-04-23 04:18:40
○ 2026-04-23 06:53:54
● 2026-04-23 12:27:34
○ 2026-04-23 17:20:24
○ 2026-04-23 23:43:08
● 2026-04-24 03:48:50
○ 2026-04-24 07:32:04
○ 2026-04-24 22:06:08
● 2026-04-25 01:18:38
○ 2026-04-25 02:38:20
○ 2026-04-27 08:43:44
● 2026-04-27 11:13:40
○ 2026-04-27 12:02:50
○ 2026-04-27 22:15:10
● 2026-04-28 00:35:32
○ 2026-04-28 05:32:00
○ 2026-04-29 10:08:24
● 2026-04-29 13:26:00
○ 2026-04-29 14:09:24
○ 2026-04-30 00:01:10
● 2026-04-30 00:35:24
○ 2026-04-30 01:24:40
○ 2026-04-30 02:05:18
● 2026-04-30 03:07:28
○ 2026-04-30 03:43:00
○ 2026-04-30 14:06:58
● 2026-04-30 17:40:16
○ 2026-04-30 18:54:16
○ 2026-04-30 23:45:36
● 2026-05-01 00:35:38
○ 2026-05-01 01:54:12
● 2026-05-01 03:23:48
● 2026-05-01 03:23:50

●A13.33.109.122026-04-22 → 2026-05-01 · 38 obs

●A13.33.109.1272026-04-22 → 2026-05-01 · 38 obs

●A13.33.109.382026-04-22 → 2026-05-01 · 38 obs

○A3.174.29.192026-04-14 → 2026-04-19 · 7 obs

● 2026-04-14 18:33:10
● 2026-04-17 00:58:52
○ 2026-04-18 00:27:48
○ 2026-04-18 19:35:44
● 2026-04-19 10:33:04
○ 2026-04-19 11:06:22
○ 2026-05-01 03:23:50

○A3.174.29.72026-04-14 → 2026-04-19 · 7 obs

● 2026-04-14 18:33:10
● 2026-04-17 00:58:52
○ 2026-04-18 00:27:48
○ 2026-04-18 19:35:44
● 2026-04-19 10:33:04
○ 2026-04-19 11:06:22
○ 2026-05-01 03:23:50

○A3.174.29.762026-04-14 → 2026-04-19 · 7 obs

● 2026-04-14 18:33:10
● 2026-04-17 00:58:52
○ 2026-04-18 00:27:48
○ 2026-04-18 19:35:44
● 2026-04-19 10:33:04
○ 2026-04-19 11:06:22
○ 2026-05-01 03:23:50

○A3.174.29.912026-04-14 → 2026-04-19 · 7 obs

● 2026-04-14 18:33:10
● 2026-04-17 00:58:52
○ 2026-04-18 00:27:48
○ 2026-04-18 19:35:44
● 2026-04-19 10:33:04
○ 2026-04-19 11:06:22
○ 2026-05-01 03:23:50

○A52.222.177.202026-04-18 → 2026-05-01 · 64 obs

○ 2026-04-17 00:58:52
● 2026-04-18 00:27:48
● 2026-04-18 19:35:44
○ 2026-04-19 10:33:04
● 2026-04-19 11:06:22
● 2026-04-21 00:05:56
○ 2026-04-21 00:44:06
● 2026-04-21 14:30:46
● 2026-04-22 00:15:18
○ 2026-04-22 00:52:48
● 2026-04-22 02:49:40
● 2026-04-23 00:11:24
○ 2026-04-23 03:44:24
● 2026-04-23 04:18:40
● 2026-04-23 06:53:54
○ 2026-04-23 12:27:34
● 2026-04-23 17:20:24
● 2026-04-23 23:43:08
○ 2026-04-24 03:48:50
● 2026-04-24 07:32:04
● 2026-04-24 22:06:08
○ 2026-04-25 01:18:38
● 2026-04-25 02:38:20
○ 2026-04-25 03:20:52
○ 2026-04-25 05:19:30
● 2026-04-25 06:03:34
● 2026-04-26 08:48:00
○ 2026-04-26 12:39:44
● 2026-04-26 13:45:08
○ 2026-04-26 14:27:50
● 2026-04-26 19:18:28
● 2026-04-27 05:54:44
○ 2026-04-27 06:25:08
● 2026-04-27 08:43:44
○ 2026-04-27 11:13:40
● 2026-04-27 12:02:50
● 2026-04-27 16:53:46
○ 2026-04-27 18:02:04
● 2026-04-27 22:15:10
○ 2026-04-28 00:35:32
● 2026-04-28 05:32:00
● 2026-04-29 04:26:36
○ 2026-04-29 07:58:42
● 2026-04-29 09:20:48
○ 2026-04-29 10:08:24
○ 2026-04-29 14:09:24
● 2026-04-29 14:56:48
● 2026-04-30 00:01:10
○ 2026-04-30 00:35:24
● 2026-04-30 01:24:40
● 2026-04-30 02:05:18
○ 2026-04-30 03:07:28
● 2026-04-30 03:43:00
● 2026-04-30 11:38:42
○ 2026-04-30 12:58:42
● 2026-04-30 14:06:58
○ 2026-04-30 17:40:16
● 2026-04-30 18:54:16
○ 2026-04-30 21:45:24
● 2026-04-30 23:45:36
○ 2026-05-01 00:35:38
● 2026-05-01 01:54:12
○ 2026-05-01 03:23:48
○ 2026-05-01 03:23:50

○A52.222.177.452026-04-18 → 2026-05-01 · 64 obs

○A52.222.177.562026-04-18 → 2026-05-01 · 64 obs

○A52.222.177.652026-04-18 → 2026-05-01 · 64 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...	-
onfirstup.com	ns-283.awsdns-35.com, ns-888.awsdns-47.net, ns-1385.awsdns-45.org, ns-2003.awsdns-58.co.uk	2 records
us2.onfirstup.com	ns-1178.awsdns-19.org, ns-2037.awsdns-62.co.uk, ns-492.awsdns-61.com, ns-920.awsdns-51.net	-

✅ Authoritative Response

Server:205.251.196.154

NS records: ns-1178.awsdns-19.org, ns-2037.awsdns-62.co.uk, ns-492.awsdns-61.com, ns-920.awsdns-51.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for us2.onfirstup.com (unsigned zone)

⏱️ Timing

Total: 1395ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.38, 13.33.109.127...`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-283.awsdns-35.com, ns-283.awsdns-35.com)

Analysis

IP Addresses

lib.us2.onfirstup.com refers to four IP numbers: 13.33.109.12, 13.33.109.38, 13.33.109.108 and 13.33.109.127.

Other host names, for instance healthplustech.com, d3rhmfdh4cdoif.cloudfront.net, knnphil.com, buildify.cloud and www.ask4o.com share IP numbers with lib.us2.onfirstup.com.

lib.us2.onfirstup.com - robtex.com