mathguru.com - dns.ninja
mathguru.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.91.197.27🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object | ||||||
| NS | ns13.worldnic.com ⭐ | ||||||
| A | 162.159.26.214Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns14.worldnic.com | ||||||
| A | 162.159.27.150Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | NS13.WORLDNIC.comnamehost@WORLDNIC.com serial=126042907 | ||||||
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.netnstld@verisign-grs.com serial=1786300364 | ||||||
Subdomains
backlink.mathguru.com |
Same first word
Similar names
DNS History
12 records (3 active, 9 former)
○NSecampus.planetvidya.com2015-06-16 → 2017-08-05 · 12 obs
○ 2015-10-23 16:55:46
● 2015-11-21 17:15:24
○ 2016-01-29 06:12:52
○ 2016-01-30 09:53:10
● 2016-02-01 08:40:32
○ 2016-02-09 06:49:20
○ 2016-10-10 19:41:44
● 2016-12-09 23:47:42
● 2017-08-05 08:44:08
○ 2026-02-18 10:47:44
○ 2026-08-09 18:57:34
○NSeten.planetvidya.com2015-06-16 → 2016-10-10 · 10 obs
● 2016-01-30 09:53:10
○ 2016-02-01 08:40:32
● 2016-02-09 06:49:20
○ 2016-02-22 14:12:06
○ 2016-06-09 04:36:06
● 2016-10-01 18:42:02
● 2016-10-10 19:41:44
○ 2016-12-09 23:47:42
○ 2026-08-09 18:57:34
●NSns13.worldnic.com2026-05-25 → 2026-08-09 · 3 obs
● 2026-05-25 05:00:38
● 2026-08-09 18:57:34
●NSns14.worldnic.com2026-05-25 → 2026-08-09 · 3 obs
● 2026-05-25 05:00:38
● 2026-08-09 18:57:34
○NSns3.afternic.com2026-02-18 → 2026-04-20 · 5 obs
● 2026-02-18 10:47:44
● 2026-04-20 20:55:52
○ 2026-05-25 05:00:38
○ 2026-08-09 18:57:34
○NSns4.afternic.com2026-02-18 → 2026-04-20 · 5 obs
● 2026-02-18 10:47:44
● 2026-04-20 20:55:52
○ 2026-05-25 05:00:38
○ 2026-08-09 18:57:34
○NSpvidya.mathguru.com2015-06-16 → 2017-08-05 · 9 obs
● 2015-10-23 16:55:46
○ 2015-11-21 17:15:24
● 2016-01-29 06:12:52
● 2016-10-10 19:41:44
○ 2016-12-09 23:47:42
● 2017-08-05 08:44:08
○ 2026-02-18 10:47:44
○ 2026-08-09 18:57:34
○MXmx.mathguru.com2015-06-16 → 2017-08-05 · 4 obs
● 2017-08-05 08:44:08
○ 2026-02-18 10:47:44
○ 2026-08-09 18:57:34
○A125.16.64.672015-06-16 → 2017-08-05 · 4 obs
● 2017-08-05 08:44:08
○ 2026-02-18 10:47:44
○ 2026-08-09 18:57:34
○A13.248.169.482026-02-18 → 2026-04-20 · 5 obs
● 2026-02-18 10:47:44
● 2026-04-20 20:55:52
○ 2026-05-25 05:00:38
○ 2026-08-09 18:57:34
●A208.91.197.272026-05-25 → 2026-08-09 · 4 obs
● 2026-05-25 05:00:38
○ 2026-07-17 16:05:44
● 2026-08-09 18:57:34
○A76.223.54.1462026-02-18 → 2026-04-20 · 5 obs
● 2026-02-18 10:47:44
● 2026-04-20 20:55:52
○ 2026-05-25 05:00:38
○ 2026-08-09 18:57:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net... | - |
| mathguru.com | ns13.worldnic.com, ns14.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.150
NS records: ns13.worldnic.com, ns14.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathguru.com (unsigned zone)
⏱️ Timing
Total: 367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.91.197.27 |
| NS | 2 | ns14.worldnic.com, ns13.worldnic.com |
| SOA | 1 | NS13.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns13.worldnic.com, ns14.worldnic.com)
Analysis
Hierarchy
backlink.mathguru.com is a subdomain of mathguru.com.
IP Addresses
mathguru.com has exactly one IP address — 208.91.197.27.
newtopagan.com, ninanotes.com, 180-32-97-65-cablemtl.3menatwork.com plus two other host names have IP numbers in common with mathguru.com.
Name Servers
mathguru.com is served by two delegated name servers, ns13.worldnic.com and ns14.worldnic.com.
The name server configuration of mathguru.com is shared with other domains, for instance convergentdental.sg, akre.org, grupolatinoderadio.com and two others.
mathguru.com has overlapping name servers with several other domains — among them devedia.net, meganmikhail.com, contractorconnector.com and efame.com.
These name servers commonly appear alongside the name servers ns15.worldnic.com and ns16.worldnic.com.
Both ns13.worldnic.com and ns14.worldnic.com have a single IP address each — ns13.worldnic.com resolves to 162.159.26.214 while ns14.worldnic.com resolves to 162.159.27.150.