connectdevmath.org - dns.ninja
connectdevmath.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pdns85.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::79🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| A | 156.154.64.85🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.com | ||||||
| NS | pdns85.ultradns.biz | ||||||
| A | 2610:a1:1015::79🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| A | 156.154.66.85🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.biz | ||||||
| NS | pdns85.ultradns.net | ||||||
| A | 2610:a1:1014::79🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| A | 156.154.65.85🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.net | ||||||
| NS | pdns85.ultradns.org | ||||||
| A | 2001:502:4612::79🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| A | 156.154.67.85🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar | ||||||
| PTR | pdns85.ultradns.org | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | pdns85.ultradns.comhostmaster@mheducation.com 2009-01-22 #13 | ||||||
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=1787509916 | ||||||
Same first word
connectdevmath.org |
connectdevmath.com |
Previous names
Next names
DNS History
6 records (4 active, 2 former)
●NSpdns85.ultradns.biz2015-07-20 → 2026-08-23 · 2 obs
● 2026-08-23 18:42:30
●NSpdns85.ultradns.com2015-07-20 → 2026-08-23 · 2 obs
● 2026-08-23 18:42:30
●NSpdns85.ultradns.net2015-07-20 → 2026-08-23 · 2 obs
● 2026-08-23 18:42:30
●NSpdns85.ultradns.org2015-07-20 → 2026-08-23 · 2 obs
● 2026-08-23 18:42:30
○MXmail.eppg.com2015-07-20 → 2018-07-09 · 4 obs
● 2018-07-09 20:04:30
○ 2026-03-27 16:35:50
○ 2026-08-23 18:42:30
○A12.26.55.1822015-07-20 → 2018-07-09 · 4 obs
● 2018-07-09 20:04:30
○ 2026-03-27 16:35:50
○ 2026-08-23 18:42:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| connectdevmath.org | pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org, pdns85.ultradns.net | 2 records |
✅ Authoritative Response
Server:156.154.65.85
NS records: pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org, pdns85.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for connectdevmath.org (unsigned zone)
⏱️ Timing
Total: 419ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | pdns85.ultradns.biz, pdns85.ultradns.com... |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | pdns85.ultradns.com hostmaster.mheducati |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns85.ultradns.org, pdns85.ultradns.org)
Analysis
Name Servers
Four name servers handle the delegation for connectdevmath.org: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.
The name servers of connectdevmath.org overlap at least partially with those of other domains — among them acuitydemo.com, ntc-school.com, mcgraw-hill4learning.net and two more.
Each of the four hosts pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org has two IP addresses. pdns85.ultradns.biz points to 156.154.66.85 and 2610:a1:1015::79. pdns85.ultradns.com points to 156.154.64.85 and 2001:502:f3ff::79. pdns85.ultradns.net points to 156.154.65.85 and 2610:a1:1014::79. pdns85.ultradns.org points to 156.154.67.85 and 2001:502:4612::79.