csdnlabs.com - robtex.com
csdnlabs.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.dnsimple.com | ||||||
| A | 162.159.24.4Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dnsimple.com | ||||||
| NS | ns2.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2620:111:8005::53🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route | ||||||
| A | 199.247.153.53🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route | ||||||
| NS | ns3.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns3.dnsimple.com | ||||||
| A | 162.159.26.4Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dnsimple.com | ||||||
| NS | ns4.dnsimple.com ⚠️ Not in zone NS records | ||||||
| A | 2620:111:8007::53🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route | ||||||
| A | 199.247.155.53🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route | ||||||
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=1776999896 | ||||||
Same first word
csdnlabs.com |
Similar names
DNS History
14 records (4 active, 10 former)
○NSdns1.pointhq.com2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
○NSdns2.pointhq.com2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
○NSdns3.pointhq.com2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
○NSdns4.pointhq.com2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
○NSdns5.pointhq.com2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
○NSdns6.pointhq.com2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
○NSdns7.pointhq.com2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
●NSns1.dnsimple.com2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:55:34
● 2026-04-24 03:16:30
●NSns2.dnsimple.com2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:55:34
● 2026-04-24 03:16:30
●NSns3.dnsimple.com2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:55:34
● 2026-04-24 03:16:30
●NSns4.dnsimple.com2026-04-09 → 2026-04-24 · 3 obs
● 2026-04-09 05:55:34
● 2026-04-24 03:16:30
○MXmxa.mailgun.org2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
○MXmxb.mailgun.org2015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
○A107.170.35.202015-08-18 → 2017-04-09 · 4 obs
● 2017-04-09 00:47:20
○ 2026-04-09 05:55:34
○ 2026-04-24 03:16:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| csdnlabs.com | ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com | 8 records |
✅ Authoritative Response
Server:199.247.155.53
NS records: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csdnlabs.com (unsigned zone)
⏱️ Timing
Total: 313ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple.com...)
Analysis
Name Servers
csdnlabs.com's delegation is handled by four name servers: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple.com.
csdnlabs.com partially shares name servers with other domains; examples include billgraziano.com, uptrending.com, corasiltlimited.com, edenairlines.com and viewtests.com.
These name servers are commonly used with ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns1.ordereze.net, ns2.ordereze.net, ns3.ordereze.net and ns4.ordereze.net.
Host names with two IPs:
ns1.dnsimple.com points to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4
ns2.dnsimple.com points to 2620:111:8005::53 and 199.247.153.53
ns3.dnsimple.com points to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4
ns4.dnsimple.com points to 2620:111:8007::53 and 199.247.155.53