bechtel.science - robtex.com
bechtel.science
| DNSSEC | ⚠️ Not signed | ||||||
| NS | edns67.ultradns.biz ⚠️ Not in zone NS records | ||||||
| A | 2610:a1:1015::243🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | edns67.ultradns.biz | ||||||
| A | 204.74.67.67🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar | ||||||
| PTR | edns67.ultradns.biz | ||||||
| NS | edns67.ultradns.com ⚠️ Not in zone NS records | ||||||
| A | 2001:502:f3ff::243🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | edns67.ultradns.com | ||||||
| A | 204.74.66.67🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar | ||||||
| PTR | edns67.ultradns.com | ||||||
| NS | edns67.ultradns.net ⚠️ Not in zone NS records | ||||||
| A | 2610:a1:1014::243🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | edns67.ultradns.net | ||||||
| A | 204.74.110.67🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar | ||||||
| PTR | edns67.ultradns.net | ||||||
| NS | edns67.ultradns.org ⚠️ Not in zone NS records | ||||||
| A | 2001:502:4612::243🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | edns67.ultradns.org | ||||||
| A | 204.74.111.67🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar | ||||||
| PTR | edns67.ultradns.org | ||||||
science
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nic.science ⭐ | ||||||
| NS | a.nic.science | ||||||
| NS | b.nic.science | ||||||
| NS | c.nic.science | ||||||
| NS | ns2.dns.nic.science | ||||||
| NS | ns3.dns.nic.science | ||||||
| SOA | ns1.dns.nic.scienceadmin@tldns.godaddy serial=1774729705 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSedns67.ultradns.biz2026-03-25 → 2026-03-28 · 2 obs
● 2026-03-28 21:20:10
●NSedns67.ultradns.com2026-03-25 → 2026-03-28 · 2 obs
● 2026-03-28 21:20:10
●NSedns67.ultradns.net2026-03-25 → 2026-03-28 · 2 obs
● 2026-03-28 21:20:10
●NSedns67.ultradns.org2026-03-25 → 2026-03-28 · 2 obs
● 2026-03-28 21:20:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| science | ns1.dns.nic.science, b.nic.science, ns3.dns.nic.science, c.nic.science... | 12 records |
| bechtel.science | edns67.ultradns.org, edns67.ultradns.biz, edns67.ultradns.com, edns67.ultradns.net | - |
✅ Authoritative Response
Server:204.74.67.67
NS records: edns67.ultradns.org, edns67.ultradns.biz, edns67.ultradns.com, edns67.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bechtel.science (unsigned zone)
⏱️ Timing
Total: 352ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (ns1.dns.nic.science, ns1.dns.nic.science, b.nic.science...)
Analysis
Name Servers
bechtel.science is delegated to four name servers: edns67.ultradns.biz, edns67.ultradns.com, edns67.ultradns.net and edns67.ultradns.org.
bechtel.science shares some name servers with other domains, for example bechtelcorporation.com, bechtelusa.com, bbehc.com, i-bechtel.net and ibechtel.org.
these name servers are commonly used with pdns1.ultradns.net, pdns2.ultradns.net, pdns5.ultradns.info, pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk, udns1.ultradns.net and udns2.ultradns.net.
Host names with two IP numbers
Two IPs per host:
edns67.ultradns.biz points to 2610:a1:1015::243 and 204.74.67.67
edns67.ultradns.com points to 2001:502:f3ff::243 and 204.74.66.67
edns67.ultradns.net points to 2610:a1:1014::243 and 204.74.110.67
edns67.ultradns.org points to 2001:502:4612::243 and 204.74.111.67