51903.com - robtex.com
51903.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:3c03::f03c:95ff:fe91:5d52🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies | ||||||
| A | 2600:3c03::f03c:95ff:feed:4d4f🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies | ||||||
| A | 66.175.209.179🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies | ||||||
| A | 96.126.111.165🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies | ||||||
| NS | damao.ns.giantpanda.com ⭐ ⚠️ Not in zone NS records | ||||||
| A | 3.33.232.36🇺🇸 Amazon3.33.224.0/20 | ||||||
| PTR | ab9e1958095d04f26.awsglobalaccelerator.com | ||||||
| NS | yangguang.ns.giantpanda.com ⚠️ Not in zone NS records | ||||||
| A | 75.2.45.63🇺🇸 Amazon75.2.32.0/20 | ||||||
| PTR | ab9e1958095d04f26.awsglobalaccelerator.com | ||||||
| MX | mail.mailerhost.net ⭐ | ||||||
| A | 5.161.133.13🇺🇸 HETZNER-CLOUD2-AS5.161.133.0/24 | ||||||
| PTR | mail.mailerhost.net | ||||||
| A | 161.35.84.83🇳🇱 DIGITALOCEAN161.35.80.0/20 DigitalOcean | ||||||
| PTR | mail.mailerhost.net | ||||||
| TXT | v=spf1 ip6:fd43:c0d1:c090::/48 -all | ||||||
| SOA | damao.ns.giantpanda.comadmin@giantpanda.com 2013-02-04 #1 | ||||||
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
www.51903.com |
Same first word
51903.com |
Similar names
DNS History
18 records (7 active, 11 former)
●NSdamao.ns.giantpanda.com2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 04:04:06
○NSdns1.iidns.com2016-09-16 → 2017-04-02 · 4 obs
● 2017-04-02 14:58:02
○ 2020-02-05 11:12:56
○ 2026-03-12 04:04:06
○NSdns2.iidns.com2016-09-16 → 2016-09-16 · 3 obs
○ 2017-04-02 14:58:02
○ 2026-03-12 04:04:06
○NSdns3.iidns.com2016-09-16 → 2016-09-16 · 3 obs
○ 2017-04-02 14:58:02
○ 2026-03-12 04:04:06
○NSdns4.iidns.com2016-09-16 → 2016-09-16 · 3 obs
○ 2017-04-02 14:58:02
○ 2026-03-12 04:04:06
○NSdns5.iidns.com2016-09-16 → 2016-09-16 · 3 obs
○ 2017-04-02 14:58:02
○ 2026-03-12 04:04:06
○NSdns6.iidns.com2016-09-16 → 2016-09-16 · 3 obs
○ 2017-04-02 14:58:02
○ 2026-03-12 04:04:06
○NSns37.domaincontrol.com2020-02-05 → 2020-02-05 · 3 obs
● 2020-02-05 11:12:56
○ 2026-03-12 04:04:06
○NSns38.domaincontrol.com2020-02-05 → 2020-02-05 · 3 obs
● 2020-02-05 11:12:56
○ 2026-03-12 04:04:06
●NSyangguang.ns.giantpanda.com2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 04:04:06
●MXmail.mailerhost.net2026-03-12 → 2026-03-12 · 1 obs
○A199.119.136.492017-04-02 → 2017-04-02 · 4 obs
● 2017-04-02 14:58:02
○ 2020-02-05 11:12:56
○ 2026-03-12 04:04:06
●A2600:3c03::f03c:95ff:fe91:5d522026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 04:04:06
●A2600:3c03::f03c:95ff:feed:4d4f2026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 04:04:06
○A50.63.202.632020-02-05 → 2020-02-05 · 3 obs
● 2020-02-05 11:12:56
○ 2026-03-12 04:04:06
○A59.188.231.252016-09-16 → 2016-09-16 · 3 obs
○ 2017-04-02 14:58:02
○ 2026-03-12 04:04:06
●A66.175.209.1792026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 04:04:06
●A96.126.111.1652026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 04:04:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net... | - |
| 51903.com | damao.ns.giantpanda.com, yangguang.ns.giantpanda.com | 2 records |
✅ Authoritative Response
Server: 75.2.45.63
NS records: damao.ns.giantpanda.com, yangguang.ns.giantpanda.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51903.com (unsigned zone)
⏱️ Timing
Total: 126ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 66.175.209.179, 96.126.111.165 |
| AAAA | 2 | 2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:fe91:5d52 |
| MX | 1 | mail.mailerhost.net (pri: 1) |
| TXT | 1 | v=spf1 ip6:fd43:c0d1:c090::/48 -all |
| SOA | 1 | damao.ns.giantpanda.com admin.giantpanda |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (damao.ns.giantpanda.com, yangguang.ns.giantpanda.com)
Analysis
Hierarchy
The parent of www.51903.com is 51903.com.
IP Addresses
51903.com resolves to four IP numbers: 2600:3c03::f03c:95ff:fe91:5d52, 2600:3c03::f03c:95ff:feed:4d4f, 66.175.209.179 and 96.126.111.165.
Other host names such as hesaplireyonum.com.com, www.manuegui.com.com.com, ilami.com, parlami.it and clubomega.com share IPs with 51903.com.
Name Servers
51903.com is delegated to two name servers: damao.ns.giantpanda.com and yangguang.ns.giantpanda.com.
51903.com shares the same name server setup as host162.enform.com, topspeeds.com, oomo.com, www.pixel.org and diypainting.com.
51903.com shares name servers with other domains, at least partially, for example emannuel.com, leadshipper.com and www.mca.gob.in as well as gamma.freehost.com.
these name servers are often used in conjunction with the name servers xinxin.ns.giantpanda.com.
Host names with a single IP:
damao.ns.giantpanda.com points to 3.33.232.36.
yangguang.ns.giantpanda.com points to 75.2.45.63.
Mail Servers
51903.com is handled by a single mail server, mail.mailerhost.net.
The mail server setup for 51903.com matches that of other domains, for instance floret.com, godiscover.com, phes.kat.ph, www.findingeducation.com and codeprint.com.
mail.mailerhost.net points to two IPs: 5.161.133.13 and 161.35.84.83.