frontier1.us - robtex.com
frontier1.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 50.121.73.47🇺🇸 AS3258750.121.72.0/22 | ||||||
| PTR | frontierwifi.com | ||||||
| NS | auth.roch.ny.frontiernet.net ⭐ | ||||||
| A | 2001:1960:20:1030:400::201🇺🇸 ASN-ELIX2001:1960::/32 Frontier Communications (ARIN OrgID: FRTR) | ||||||
| PTR | auth.roch.ny.frontiernet.net | ||||||
| A | 50.48.212.201🇺🇸 ASN-ELIX50.48.0.0/15 Frontier Communications (ARIN OrgID: FRTR) | ||||||
| PTR | auth.roch.ny.frontiernet.net | ||||||
| NS | auth.dlls.pa.frontiernet.net ⚠️ Not in parent delegation | ||||||
| A | 2001:1960::20🇺🇸 ASN-ELIX2001:1960::/32 Frontier Communications (ARIN OrgID: FRTR) | ||||||
| PTR | auth.frontiernet.net | ||||||
| A | 74.40.74.20🇺🇸 ASN-ELIX74.32.0.0/12 Frontier Communications (ARIN OrgID: FRTR) | ||||||
| PTR | peach.epix.net | ||||||
| NS | auth.lkvl.mn.frontiernet.net | ||||||
| A | 2606:4e80:7:130:400::179🇺🇸 ASN-ELIX2606:4e80::/32 Frontier Communications (ARIN OrgID: FRTR) | ||||||
| PTR | auth.larc.ca.frontiernet.net | ||||||
| A | 47.177.156.179🇺🇸 ASN-ELIX47.177.0.0/16 | ||||||
| PTR | auth.larc.ca.frontiernet.net | ||||||
| SOA | auth.roch.ny.frontiernet.nethostmaster@frontiernet.net serial=1708180001 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1780290820 | ||||||
Same first word
DNS History
5 records (4 active, 1 former)
●NSauth.dlls.pa.frontiernet.net2015-07-02 → 2026-06-01 · 2 obs
● 2026-06-01 05:46:54
●NSauth.lkvl.mn.frontiernet.net2015-07-02 → 2026-06-01 · 2 obs
● 2026-06-01 05:46:54
●NSauth.roch.ny.frontiernet.net2015-07-02 → 2026-06-01 · 2 obs
● 2026-06-01 05:46:54
●A50.121.73.472018-08-10 → 2026-06-01 · 3 obs
● 2018-08-10 22:05:40
● 2026-06-01 05:46:54
○A50.121.73.492015-07-02 → 2017-02-08 · 4 obs
● 2017-02-08 12:25:00
○ 2018-08-10 22:05:40
○ 2026-06-01 05:46:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| frontier1.us | auth.lkvl.mn.frontiernet.net, auth.roch.ny.frontiernet.net | - |
✅ Authoritative Response
Server:47.177.156.179
NS records: auth.lkvl.mn.frontiernet.net, auth.roch.ny.frontiernet.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for frontier1.us (unsigned zone)
⏱️ Timing
Total: 311ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 50.121.73.47 |
| NS | 3 | auth.lkvl.mn.frontiernet.net, auth.dlls.pa.frontiernet.net... |
| SOA | 1 | auth.roch.ny.frontiernet.net hostmaster. |
Analysis
IP Addresses
frontier1.us has exactly one IP address — 50.121.73.47.
frontiercitywide.org, frontiermobil.mobi, frontierone.us plus two other host names have IP numbers in common with frontier1.us.
Name Servers
frontier1.us carries NS records delegating to auth.lkvl.mn.frontiernet.net, auth.roch.ny.frontiernet.net and auth.dlls.pa.frontiernet.net.
There is at least partial name server overlap between frontier1.us and other domains — 193.51.50.in-addr.arpa, pfdairy.com, 198.79.172.in-addr.arpa and two more among them.
These name servers tend to co-occur with name servers auth.frontiernet.net, auth.asbn.va.frontiernet.net and auth.larc.ca.frontiernet.net, plus five other name servers.
auth.lkvl.mn.frontiernet.net, auth.roch.ny.frontiernet.net and auth.dlls.pa.frontiernet.net are three hostnames that each resolve to a pair of IP addresses: auth.lkvl.mn.frontiernet.net to 47.177.156.179 and 2606:4e80:7:130:400::179, auth.roch.ny.frontiernet.net to 50.48.212.201 and 2001:1960:20:1030:400::201, and auth.dlls.pa.frontiernet.net to 74.40.74.20 and 2001:1960::20.