mainlib.org - dns.ninja
mainlib.org
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.infohostmaster@donuts.email serial=1786829509 | ||||||
Subdomains
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
●MXalt1.aspmx.l.google.com2026-02-18 → 2026-08-15 · 3 obs
● 2026-02-18 18:23:58
● 2026-08-15 22:11:40
●MXalt2.aspmx.l.google.com2026-02-18 → 2026-08-15 · 3 obs
● 2026-02-18 18:23:58
● 2026-08-15 22:11:40
●MXalt3.aspmx.l.google.com2026-02-18 → 2026-08-15 · 3 obs
● 2026-02-18 18:23:58
● 2026-08-15 22:11:40
●MXalt4.aspmx.l.google.com2026-02-18 → 2026-08-15 · 3 obs
● 2026-02-18 18:23:58
● 2026-08-15 22:11:40
○MXmainlib.org.mx1.njstatelib.rcimx.net2015-07-25 → 2017-02-06 · 4 obs
● 2017-02-06 07:28:24
○ 2026-02-18 18:23:58
○ 2026-08-15 22:11:40
○MXmainlib.org.mx2.njstatelib.rcimx.net2015-07-25 → 2017-02-06 · 4 obs
● 2017-02-06 07:28:24
○ 2026-02-18 18:23:58
○ 2026-08-15 22:11:40
○MXmainlib.org.mx3.njstatelib.rcimx.net2015-07-25 → 2017-02-06 · 4 obs
● 2017-02-06 07:28:24
○ 2026-02-18 18:23:58
○ 2026-08-15 22:11:40
○MXmainlib.org.mx4.njstatelib.rcimx.net2015-07-25 → 2017-02-06 · 4 obs
● 2017-02-06 07:28:24
○ 2026-02-18 18:23:58
○ 2026-08-15 22:11:40
●MXsmtp.google.com2026-02-18 → 2026-08-15 · 3 obs
● 2026-02-18 18:23:58
● 2026-08-15 22:11:40
●A209.212.30.1462015-07-25 → 2026-08-15 · 5 obs
● 2016-04-14 00:39:52
○ 2017-02-06 07:28:24
● 2026-08-07 10:22:54
● 2026-08-15 22:11:40
○A209.212.30.1562017-02-06 → 2017-02-06 · 4 obs
● 2017-02-06 07:28:24
○ 2026-08-07 10:22:54
○ 2026-08-15 22:11:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| mainlib.org | ns1.njsl.org, ns2.njsl.org | 2 records |
✅ Authoritative Response
Server:209.212.30.14
NS records: ns1.njsl.org, ns2.njsl.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mainlib.org (unsigned zone)
⏱️ Timing
Total: 200ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.212.30.146 |
| NS | 2 | ns1.njsl.org, ns2.njsl.org |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 3 | MS=ms46934048, v=spf1 include:spf.jerseyconnect.net inc... |
| SOA | 1 | ns1.njsl.org netops.njstatelib.org |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.njsl.org, ns2.njsl.org)
Analysis
Hierarchy
mainlib.org is the parent of mtolive.mainlib.org, ns2.mainlib.org, www.mainlib.org, *.mainlib.org and htmlns2.mainlib.org.
IP Addresses
mainlib.org resolves to just one IP address, 209.212.30.146.
Two other host names, along with mainlib.net, stats.jerseyconnect.net and ns2.parsippanylibrary.org, also share IP numbers with mainlib.org.
Name Servers
Two name servers handle the delegation for mainlib.org: ns1.njsl.org and ns2.njsl.org.
mainlib.org shares its NS records with other domains, for example openborrowing.net, njyac.org, 15.212.209.in-addr.arpa and two others.
mainlib.org has at least partial name server overlap with other domains, such as penningtonlibrary.org, mopl.org, njlibraries.org and two others.
It is common to see these name servers used together with name servers ns1.snip.net and ns2.snip.net.
ns1.njsl.org directs to 209.212.30.14 and ns2.njsl.org directs to 209.212.30.143; each host name points to exactly one IP number.
Mail Servers
mainlib.org is handled by five mail servers: smtp.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between mainlib.org and other domains, including kosinmedj.org, horizont.se, transitdata.cl and two others.
These mail servers frequently co-occur with the mail servers aspmx.l.google.com, alt4.aspmx.l.google.com, alt3.aspmx.l.google.com and two others.
DNS names with 9 IP addresses:
smtp.google.com resolves to 142.250.31.27, 142.251.16.26 and 142.251.111.27 among others, with 6 other IP addresses in total.
Host names that have two IP addresses:
alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.27 and 2800:3f0:4003:c14::1b.
alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.