checkonce.com - robtex.com
checkonce.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=1771291435 | ||||||
Subdomains
Same first word
checkonce.com |
DNS History
21 records (9 active, 12 former)
○NSa4.nstld.com2015-07-24 → 2017-02-12 · 4 obs
● 2017-02-12 09:42:24
○ 2019-04-05 21:05:52
○ 2026-03-16 22:41:52
○NSf4.nstld.com2015-07-24 → 2017-02-12 · 4 obs
● 2017-02-12 09:42:24
○ 2019-04-05 21:05:52
○ 2026-03-16 22:41:52
○NSg4.nstld.com2015-07-24 → 2017-02-12 · 4 obs
● 2017-02-12 09:42:24
○ 2019-04-05 21:05:52
○ 2026-03-16 22:41:52
●NShidden-master.yahoo.com2019-04-05 → 2026-03-16 · 3 obs
● 2019-04-05 21:05:52
● 2026-03-16 22:41:52
○NSl4.nstld.com2015-07-24 → 2017-02-12 · 4 obs
● 2017-02-12 09:42:24
○ 2019-04-05 21:05:52
○ 2026-03-16 22:41:52
●NSns1.yahoo.com2019-04-05 → 2026-03-16 · 3 obs
● 2019-04-05 21:05:52
● 2026-03-16 22:41:52
●NSns2.yahoo.com2019-04-05 → 2026-03-16 · 3 obs
● 2019-04-05 21:05:52
● 2026-03-16 22:41:52
●NSns3.yahoo.com2019-04-05 → 2026-03-16 · 3 obs
● 2019-04-05 21:05:52
● 2026-03-16 22:41:52
●NSns4.yahoo.com2019-04-05 → 2026-03-16 · 3 obs
● 2019-04-05 21:05:52
● 2026-03-16 22:41:52
●NSns5.yahoo.com2019-04-05 → 2026-03-16 · 3 obs
● 2019-04-05 21:05:52
● 2026-03-16 22:41:52
○MX(root)2019-04-05 → 2026-02-17 · 4 obs
● 2026-02-17 06:58:02
○ 2026-02-18 00:11:02
○ 2026-03-16 22:41:52
○A106.10.248.1502019-04-05 → 2019-04-05 · 4 obs
● 2019-04-05 21:05:52
○ 2026-02-15 01:42:26
○ 2026-03-16 22:41:52
○A124.108.115.1002019-04-05 → 2019-04-05 · 4 obs
● 2019-04-05 21:05:52
○ 2026-02-15 01:42:26
○ 2026-03-16 22:41:52
○A165.160.13.202015-07-24 → 2017-02-12 · 4 obs
● 2017-02-12 09:42:24
○ 2019-04-05 21:05:52
○ 2026-03-16 22:41:52
○A165.160.15.202015-07-24 → 2017-02-12 · 4 obs
● 2017-02-12 09:42:24
○ 2019-04-05 21:05:52
○ 2026-03-16 22:41:52
●A212.82.100.1372026-02-15 → 2026-03-16 · 3 obs
● 2026-02-15 01:42:26
● 2026-03-16 22:41:52
○A212.82.100.1502019-04-05 → 2019-04-05 · 4 obs
● 2019-04-05 21:05:52
○ 2026-02-15 01:42:26
○ 2026-03-16 22:41:52
●A66.218.84.1372026-02-15 → 2026-03-16 · 3 obs
● 2026-02-15 01:42:26
● 2026-03-16 22:41:52
○A74.6.136.1502019-04-05 → 2019-04-05 · 4 obs
● 2019-04-05 21:05:52
○ 2026-02-15 01:42:26
○ 2026-03-16 22:41:52
○A98.136.103.232019-04-05 → 2019-04-05 · 4 obs
● 2019-04-05 21:05:52
○ 2026-02-15 01:42:26
○ 2026-03-16 22:41:52
●A98.136.144.1382026-02-15 → 2026-03-16 · 3 obs
● 2026-02-15 01:42:26
● 2026-03-16 22:41:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| checkonce.com | ns1.yahoo.com, ns5.yahoo.com, ns2.yahoo.com, ns3.yahoo.com... | 9 records |
✅ Authoritative Response
Server: 27.123.42.42
NS records: ns1.yahoo.com, ns5.yahoo.com, ns2.yahoo.com, ns3.yahoo.com, ns4.yahoo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for checkonce.com (unsigned zone)
⏱️ Timing
Total: 636ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 66.218.84.137, 98.136.144.138... |
| NS | 5 | ns3.yahoo.com, ns1.yahoo.com... |
| SOA | 1 | hidden-master.yahoo.com hostmaster.yahoo |
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (ns1.yahoo.com, ns1.yahoo.com, ns5.yahoo.com...)
Analysis
Hierarchy
checkonce.com is a parent of guce.checkonce.com and www.checkonce.com.
IP Addresses
Three IP numbers are pointed to by checkonce.com: 66.218.84.137, 98.136.144.138 and 212.82.100.137.
Other host names, for instance diylife.com, localday.com, helping.com, viral.site and 24-7.pet share IP numbers with checkonce.com.
Name Servers
checkonce.com is delegated to six name servers: hidden-master.yahoo.com, ns1.yahoo.com, ns2.yahoo.com, ns3.yahoo.com, ns4.yahoo.com and ns5.yahoo.com.
checkonce.com at least partially shares name servers with other domains, for instance 125.196.66.in-addr.arpa, 42.137.98.in-addr.arpa, engadghet.com, aolbenefitsonline.com and yahoomyahoomail.com.
these name servers are commonly used with 1ns.yahoo.com, 2ns.yahoo.com and ns6.yahoo.com.
Host names with two IP numbers:
ns1.yahoo.com points to 2001:4998:1b0::7961:686f:6f21 and 68.180.131.16.
ns2.yahoo.com points to 2001:4998:1c0::7961:686f:6f21 and 68.142.255.16.
ns3.yahoo.com points to 2406:8600:f03f:1f8::1003 and 27.123.42.42.
ns5.yahoo.com points to 2406:2000:1d0::7961:686f:6f21 and 202.165.97.53.
Host names with one IP number:
hidden-master.yahoo.com points to 68.180.131.16.
ns4.yahoo.com points to 98.138.11.157.
Host names that point to 68.180.131.16: ns1.yahoo.com and hidden-master.yahoo.com.