kefu137.com - robtex.com
kefu137.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 175.29.156.199🇧🇩 DBL-AS-AP175.29.156.0/24 DEEP BRIGHT LIMITED, Room 02, 12/F.,Bonham Commercial Centre, 44 46 Bonham Strand West, Sheung Wan, Hong Kong | ||||||
| NS | edns6.ultradns.com ⭐ | ||||||
| A | 2001:502:f3ff::206🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | edns6.ultradns.com | ||||||
| A | 204.74.66.6🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar | ||||||
| PTR | edns6.ultradns.com | ||||||
| NS | edns6.ultradns.biz | ||||||
| A | 2610:a1:1015::206🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar | ||||||
| PTR | edns6.ultradns.biz | ||||||
| A | 204.74.67.6🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar | ||||||
| PTR | edns6.ultradns.biz | ||||||
| NS | edns6.ultradns.net | ||||||
| A | 2610:a1:1014::206🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | edns6.ultradns.net | ||||||
| A | 204.74.110.6🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar | ||||||
| PTR | edns6.ultradns.net | ||||||
| NS | edns6.ultradns.org | ||||||
| A | 2001:502:4612::206🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar | ||||||
| PTR | edns6.ultradns.org | ||||||
| A | 204.74.111.6🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar | ||||||
| PTR | edns6.ultradns.org | ||||||
| SOA | edns6.ultradns.comadmin@189jolin.com 2024-02-22 #5 | ||||||
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=1785820752 | ||||||
Same first word
kefu137.com |
DNS History
6 records (5 active, 1 former)
●NSedns6.ultradns.biz2026-05-21 → 2026-08-04 · 2 obs
● 2026-08-04 05:44:20
●NSedns6.ultradns.com2026-05-21 → 2026-08-04 · 2 obs
● 2026-08-04 05:44:20
●NSedns6.ultradns.net2026-05-21 → 2026-08-04 · 2 obs
● 2026-08-04 05:44:20
●NSedns6.ultradns.org2026-05-21 → 2026-08-04 · 2 obs
● 2026-08-04 05:44:20
●A175.29.156.1992026-05-21 → 2026-08-04 · 4 obs
● 2026-06-09 03:03:40
○ 2026-07-05 10:00:24
● 2026-08-04 05:44:20
○A23.144.180.2092026-07-05 → 2026-07-05 · 3 obs
● 2026-07-05 10:00:24
○ 2026-08-04 05:44:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| kefu137.com | edns6.ultradns.biz, edns6.ultradns.org, edns6.ultradns.com, edns6.ultradns.net | 2 records |
✅ Authoritative Response
Server:204.74.67.6
NS records: edns6.ultradns.biz, edns6.ultradns.org, edns6.ultradns.com, edns6.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kefu137.com (unsigned zone)
⏱️ Timing
Total: 1354ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 175.29.156.199 |
| NS | 4 | edns6.ultradns.biz, edns6.ultradns.com... |
| SOA | 1 | edns6.ultradns.com admin.189jolin.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (edns6.ultradns.com, edns6.ultradns.com)
Analysis
IP Addresses
kefu137.com directs to one IP number, which is 175.29.156.199.
kefu137.com shares its IP numbers with other host names like nbdl01.com, nbdl63.com and nbdl23.com.
Name Servers
The domain kefu137.com is delegated to these four name servers: edns6.ultradns.biz, edns6.ultradns.com, edns6.ultradns.net and edns6.ultradns.org.
kefu137.com partially shares its NS delegation with several other domains, including tb8227.com, 388123h.com, 1689604.com and two others.
In DNS configurations, these name servers often share authority with cecelia.ns.cloudflare.com, dakota.ns.cloudflare.com, drake.ns.cloudflare.com and 5 other name servers.
edns6.ultradns.biz, edns6.ultradns.com, edns6.ultradns.net and edns6.ultradns.org each carry two IP addresses. edns6.ultradns.biz has 204.74.67.6 and 2610:a1:1015::206; edns6.ultradns.com has 204.74.66.6 and 2001:502:f3ff::206; edns6.ultradns.net has 204.74.110.6 and 2610:a1:1014::206; edns6.ultradns.org has 204.74.111.6 and 2001:502:4612::206.