connectengineering.org - robtex.com
connectengineering.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.243.92.248 | ||||||
| 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 -all | ||||||
| SOA | pdns85.ultradns.comhostmaster@mheducation.com 2014-12-09 #14 | ||||||
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=1777109231 | ||||||
Same first word
connectengineering.com |
connectengineering.org |
DNS History
5 records (5 active, 0 former)
●NSpdns85.ultradns.biz2015-08-10 → 2026-04-25 · 2 obs
● 2026-04-25 10:03:20
●NSpdns85.ultradns.com2015-08-10 → 2026-04-25 · 2 obs
● 2026-04-25 10:03:20
●NSpdns85.ultradns.net2015-08-10 → 2026-04-25 · 2 obs
● 2026-04-25 10:03:20
●NSpdns85.ultradns.org2015-08-10 → 2026-04-25 · 2 obs
● 2026-04-25 10:03:20
●A192.243.92.2482015-08-10 → 2026-04-25 · 2 obs
● 2026-04-25 10:03:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| connectengineering.org | pdns85.ultradns.org, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.net | 2 records |
✅ Authoritative Response
Server:156.154.67.85
NS records: pdns85.ultradns.org, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for connectengineering.org (unsigned zone)
⏱️ Timing
Total: 879ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.243.92.248 |
| NS | 4 | pdns85.ultradns.biz, pdns85.ultradns.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | pdns85.ultradns.com hostmaster.mheducati |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (pdns85.ultradns.org, pdns85.ultradns.org)
Analysis
IP Addresses
connectengineering.org points to a single IP address: 192.243.92.248.
Other host names such as mheducation.xn--fiqs8s, mheducation.jp, mcgrawhillhighereducation.net, wwwaleks.com and mhe.biz share IP numbers with connectengineering.org.
Name Servers
connectengineering.org is delegated to four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.
At least part of the name servers for connectengineering.org are shared with other domains, for instance iteach-cit.com, oaktreecapitalfinance.com, writingroadmap2.com, mhreadingwonders.com and williamshematology.com.
Host names with two IP numbers:
pdns85.ultradns.biz points to: 2610:a1:1015::79 and 156.154.66.85
pdns85.ultradns.com points to: 2001:502:f3ff::79 and 156.154.64.85
pdns85.ultradns.net points to: 2610:a1:1014::79 and 156.154.65.85
pdns85.ultradns.org points to: 2001:502:4612::79 and 156.154.67.85