readlib.com - dns.ninja

`readlib.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3d91:676:6a3b:630e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b00c:8d5c:a9a3:9538^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.218.191.141^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-218-191-141.compute-1.amazonaws.com`
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.88.240.25^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-88-240-25.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cc5d:cd19:dd5:828e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3ee4:3218:624e:fbef^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	18.232.139.44^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-232-139-44.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-16 #1

`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=1781588895

Subdomains

mail.readlib.com

Same first word

readlib.cn

readlib.net

readlib.ru

readlib.com

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DNS History

11 records (7 active, 4 former)

○NSdns10.hichina.com2015-11-08 → 2016-10-04 · 4 obs

● 2015-11-08 23:12:00
● 2016-10-04 17:55:14
○ 2020-02-01 03:09:08
○ 2026-06-16 06:05:38

○NSdns9.hichina.com2015-11-08 → 2016-10-04 · 4 obs

● 2015-11-08 23:12:00
● 2016-10-04 17:55:14
○ 2020-02-01 03:09:08
○ 2026-06-16 06:05:38

●NSns1.namebrightdns.com2026-02-20 → 2026-06-16 · 3 obs

○ 2020-02-01 03:09:08
● 2026-02-20 16:48:48
● 2026-06-16 06:05:38

●NSnsg1.namebrightdns.com2020-02-01 → 2026-06-16 · 3 obs

○ 2016-10-04 17:55:14
● 2020-02-01 03:09:08
● 2026-06-16 06:05:38

●NSnsg2.namebrightdns.com2020-02-01 → 2026-06-16 · 3 obs

○ 2016-10-04 17:55:14
● 2020-02-01 03:09:08
● 2026-06-16 06:05:38

○MXmail.readlib.com2015-11-08 → 2016-10-04 · 4 obs

● 2015-11-08 23:12:00
● 2016-10-04 17:55:14
○ 2020-02-01 03:09:08
○ 2026-06-16 06:05:38

●A13.223.25.842026-02-20 → 2026-06-16 · 2 obs

● 2026-02-20 16:48:48
● 2026-06-16 06:05:38

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-20 → 2026-06-16 · 2 obs

● 2026-02-20 16:48:48
● 2026-06-16 06:05:38

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-20 → 2026-06-16 · 2 obs

● 2026-02-20 16:48:48
● 2026-06-16 06:05:38

●A54.243.117.1972026-02-20 → 2026-06-16 · 2 obs

● 2026-02-20 16:48:48
● 2026-06-16 06:05:38

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-02-01 → 2020-02-01 · 3 obs

● 2020-02-01 03:09:08
○ 2026-02-20 16:48:48
○ 2026-06-16 06:05:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
readlib.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.88.240.25

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for readlib.com (unsigned zone)

⏱️ Timing

Total: 116ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

Hierarchy

mail.readlib.com is delegated beneath readlib.com.

IP Addresses

readlib.com directs to four IP numbers, which are 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Two other host names, along with armastek.com, www.maasp.com and babyapron.com, also share IP numbers with readlib.com.

Name Servers

Three name servers are authoritative for readlib.com: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

There is at least partial name server overlap between readlib.com and other domains — hapmeta.com, flyingberry.com, ateworks.com and two more among them.

The name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com are often found in combination with these name servers.

DNS names with 7 IP addresses:

nsg2.namebrightdns.com carries IP addresses 3.80.109.14, 18.232.139.44 and 98.81.3.34, with 4 other addresses beyond those.

DNS names with 6 IP addresses:

ns1.namebrightdns.com carries IP addresses 13.218.191.141, 52.203.211.134 and 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca, with 3 other addresses beyond those.

Host names directing to five IP addresses:

nsg1.namebrightdns.com has four IP addresses — 3.88.240.25, 52.55.198.41, 54.175.130.15 and two others.