4th.com - robtex.com
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4th.com
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=1770918430 | ||||||
Up
linode-toronto.4th.com |
mail.4th.com |
Same first word
Similar names
DNS History
14 records (12 active, 2 former)
●NSns1.linode.com2015-08-01 → 2026-02-15 · 2 obs
● 2026-02-15 09:15:42
●NSns2.linode.com2015-08-01 → 2026-02-15 · 2 obs
● 2026-02-15 09:15:42
●NSns3.linode.com2015-08-01 → 2026-02-15 · 2 obs
● 2026-02-15 09:15:42
●NSns4.linode.com2015-08-01 → 2026-02-15 · 2 obs
● 2026-02-15 09:15:42
●NSns5.linode.com2015-08-01 → 2026-02-15 · 2 obs
● 2026-02-15 09:15:42
●MXalt1.aspmx.l.google.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 09:15:40
● 2026-02-15 09:15:42
●MXalt2.aspmx.l.google.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 09:15:40
● 2026-02-15 09:15:42
●MXalt3.aspmx.l.google.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 09:15:40
● 2026-02-15 09:15:42
●MXalt4.aspmx.l.google.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 09:15:40
● 2026-02-15 09:15:42
●MXaspmx.l.google.com2026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 09:15:40
● 2026-02-15 09:15:42
○MXmail.4th.com2015-08-01 → 2019-04-13 · 4 obs
● 2019-04-13 10:45:18
○ 2026-02-15 09:15:40
○ 2026-02-15 09:15:42
●A172.105.25.1312026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 09:15:40
● 2026-02-15 09:15:42
○A173.255.236.2212015-08-01 → 2019-04-13 · 4 obs
● 2019-04-13 10:45:18
○ 2026-02-15 09:15:40
○ 2026-02-15 09:15:42
●A2600:3c04::f03c:91ff:fe02:9cc12026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 09:15:40
● 2026-02-15 09:15:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 4th.com | ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com... | 10 records |
✅ Authoritative Response
Server: 92.123.94.2
NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4th.com (unsigned zone)
⏱️ Timing
Total: 236ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.105.25.131 |
| AAAA | 1 | 2600:3c04::f03c:91ff:fe02:9cc1 |
| NS | 5 | ns5.linode.com, ns2.linode.com... |
| MX | 5 | ALT4.ASPMX.L.GOOGLE.COM (pri: 10), ASPMX.L.GOOGLE.COM (pri: 1)... |
| TXT | 2 | google-site-verification=F7aqxDM2IT_exJB, v=spf1 ip4:172.105.25.131 ip6:2600:3c04: |
| SOA | 1 | ns1.linode.com postmaster.4th.com |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)
AI analysis
4th.com is parent of linode-toronto.4th.com and mail.4th.com.
4th.com resolves to two IPs: 2600:3c04::f03c:91ff:fe02:9cc1 and 172.105.25.131.
Other host names, for instance ourtinyuniverse.com, wolftamer.com and linode-toronto.4th.com share IP numbers with 4th.com.
4th.com is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.
4th.com at least partially shares name servers with other domains, for instance essfera.net, morningstartravels.in, dtheory.com, imapp.net and 21.97.127.75.in-addr.arpa.
Hosts with two IP numbers:
ns1.linode.com points to 2600:14c0:6::2 and 92.123.94.2.
ns2.linode.com points to 2600:14c0:6::3 and 92.123.94.3.
ns3.linode.com points to 2600:14c0:7::3 and 92.123.95.3.
ns4.linode.com points to 2600:14c0:7::4 and 92.123.95.4.
ns5.linode.com points to 2600:14c0:7::2 and 92.123.95.2.
4th.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
4th.com shares mail servers with other domains at least partially, including hopebariatrics.com, ns500765.ns500765.ns500734.ns500699.ns500699.ns500734.ns500693.ns500699.ns500693.ns500699.ns500699.ns500612.ns500588.ns500632.ns500612.dtrkdll.com, ns500759.ns500698.ns500758.ns500698.ns500736.ns500698.ns500698.ns500698.ns500698.ns500576.ns500698.ns500619.ns500619.ns500576.ns500619.trackreceptor.com, ns500734.ns500734.ns500734.ns500699.ns500693.ns500734.ns500699.ns500693.ns500699.ns500588.ns500683.ns500588.ns500588.ns500588.dtrkdll.com and ns500758.ns500759.ns500759.ns500736.ns500736.ns500698.ns500576.ns500576.ns500619.ns500652.ns500652.ns500576.ns500619.ns500652.tracksymphony.com.
these mail servers are often used with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Hosts with two IP numbers:
aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27.
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27.
alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1a and 192.178.152.27.
alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.