libraries.io - dns.ninja
libraries.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1782597794 | ||||||
rank #675 in the tld
WOT: SAFE (82/100)
📈 Tranco rank: #64,595
Subdomains
www.libraries.io |
Same first word
Similar names
DNS History
16 records (10 active, 6 former)
○NSjohn.ns.cloudflare.com2016-12-05 → 2017-09-14 · 4 obs
● 2017-09-14 16:18:26
○ 2026-02-18 18:59:34
○ 2026-06-27 22:29:08
○NSmaya.ns.cloudflare.com2016-12-05 → 2017-09-14 · 4 obs
● 2017-09-14 16:18:26
○ 2026-02-18 18:59:34
○ 2026-06-27 22:29:08
●NSns-cloud-b1.googledomains.com2026-02-18 → 2026-06-27 · 3 obs
● 2026-02-18 18:59:34
● 2026-06-27 22:29:08
●NSns-cloud-b2.googledomains.com2026-02-18 → 2026-06-27 · 3 obs
● 2026-02-18 18:59:34
● 2026-06-27 22:29:08
●NSns-cloud-b3.googledomains.com2026-02-18 → 2026-06-27 · 3 obs
● 2026-02-18 18:59:34
● 2026-06-27 22:29:08
●NSns-cloud-b4.googledomains.com2026-02-18 → 2026-06-27 · 3 obs
● 2026-02-18 18:59:34
● 2026-06-27 22:29:08
●MXalt1.aspmx.l.google.com2016-12-05 → 2026-06-27 · 2 obs
● 2026-06-27 22:29:08
●MXalt2.aspmx.l.google.com2016-12-05 → 2026-06-27 · 2 obs
● 2026-06-27 22:29:08
●MXalt3.aspmx.l.google.com2016-12-05 → 2026-06-27 · 2 obs
● 2026-06-27 22:29:08
●MXalt4.aspmx.l.google.com2016-12-05 → 2026-06-27 · 2 obs
● 2026-06-27 22:29:08
●MXaspmx.l.google.com2016-12-05 → 2026-06-27 · 2 obs
● 2026-06-27 22:29:08
○A104.25.184.332016-12-05 → 2017-09-14 · 4 obs
● 2017-09-14 16:18:26
○ 2026-02-18 18:59:34
○ 2026-06-27 22:29:08
○A104.25.185.332016-12-05 → 2017-09-14 · 4 obs
● 2017-09-14 16:18:26
○ 2026-02-18 18:59:34
○ 2026-06-27 22:29:08
○A2400:cb00:2048:1::6819:b8212016-12-05 → 2017-09-14 · 4 obs
● 2017-09-14 16:18:26
○ 2026-02-18 18:59:34
○ 2026-06-27 22:29:08
○A2400:cb00:2048:1::6819:b9212016-12-05 → 2017-09-14 · 4 obs
● 2017-09-14 16:18:26
○ 2026-02-18 18:59:34
○ 2026-06-27 22:29:08
●A35.244.128.2412026-02-18 → 2026-06-27 · 3 obs
● 2026-02-18 18:59:34
● 2026-06-27 22:29:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| libraries.io | ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com | - |
✅ Authoritative Response
Server:216.239.34.107
NS records: ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for libraries.io (unsigned zone)
⏱️ Timing
Total: 554ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.244.128.241 |
| NS | 4 | ns-cloud-b4.googledomains.com, ns-cloud-b3.googledomains.com... |
| MX | 5 | alt3.aspmx.l.google.com (pri: 10), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 2 | v=spf1 a include:_spf.google.com ~all, google-site-verification=T7mpf5PWPplRaTB |
| SOA | 1 | ns-cloud-b1.googledomains.com cloud-dns- |
Analysis
Hierarchy
libraries.io is the parent zone for www.libraries.io.
IP Addresses
libraries.io resolves to one IP address: 35.244.128.241.
241.128.244.35.bc.googleusercontent.com, for instance, is one of the other host names sharing IP numbers with libraries.io.
Name Servers
The authoritative name servers for libraries.io are ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.
libraries.io partially shares its NS delegation with several other domains, including flaggflanagan.com, belcantosingers.ca, postermex.com and two others.
ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com each carry two IP addresses. ns-cloud-b1.googledomains.com has 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com has 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com has 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com has 216.239.38.107 and 2001:4860:4802:38::6b.
Mail Servers
Mail for libraries.io is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
libraries.io has at least partial mail server overlap with other domains such as ns500742.ns500742.ns500731.ns500671.ns500731.ns500671.ns500671.ns500704.ns500649.ns500649.ns500666.ns500653.ns500153.tenderladiesbz.com, ns500768.ns500759.ns500758.ns500698.ns500758.ns500736.ns500736.ns500708.ns500698.ns500576.ns500698.ns500686.ns500652.trackreceptor.com, innercalmwellness.com and two more.
The mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are commonly seen alongside these mail servers.
Hostnames that resolve to two IP addresses:
aspmx.l.google.com directs traffic to 64.233.180.26 and 2607:f8b0:4004:c23::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.