`51cto.eu`

DNSSEC	⚠️ Not signed
A	2600:3c03::f03c:95ff:fe00:29ca^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:fe91:5d52^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:4d4f^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	2600:3c03::f03c:95ff:feed:cf2a^{🇺🇸 AKAMAI-LINODE-AP2600:3c03::/32 Akamai Technologies} ✓ In HTTPS hints
A	45.33.83.100^{🇺🇸 AKAMAI-LINODE-AP45.33.64.0/19 Akamai Technologies} ✓ In HTTPS hints
A	45.79.167.180^{🇺🇸 AKAMAI-LINODE-AP45.79.160.0/20 Akamai Technologies} ✓ In HTTPS hints
A	66.175.209.179^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies} ✓ In HTTPS hints
A	96.126.111.165^{🇺🇸 AKAMAI-LINODE-AP96.126.104.0/21 Akamai Technologies} ✓ In HTTPS hints
NS	`huamei.ns.giantpanda.com` ⭐
		A	3.33.232.36^{🇺🇸 Amazon3.33.224.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
NS	`taishan.ns.giantpanda.com`
		A	75.2.45.63^{🇺🇸 Amazon75.2.32.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
HTTPS	HTTP/2, HTTP/3 ✓ hints match
		IPv4 hints	66.175.209.179, 45.33.83.100, 45.79.167.180, 96.126.111.165
		IPv6 hints	2600:3c03::f03c:95ff:feed:4d4f, 2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:fe91:5d52
SOA	`huamei.ns.giantpanda.com`admin@giantpanda.com 2013-02-04 #1

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1126593836

Same first word

51cto.net

51cto.co

51cto.com

51cto.eu

Similar names

51otc.com

51oct.com

otc15.com

cto51.ru

DNS History

25 records (10 active, 15 former)

●NShuamei.ns.giantpanda.com2026-04-09 → 2026-07-30 · 3 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
● 2026-07-30 12:07:14

○NSns1.sedoparking.com2015-08-03 → 2017-04-20 · 4 obs

● 2015-08-03 07:58:30
● 2017-04-20 14:29:52
○ 2026-04-09 05:13:30
○ 2026-07-30 12:07:14

○NSns2.sedoparking.com2015-08-03 → 2017-04-20 · 4 obs

● 2015-08-03 07:58:30
● 2017-04-20 14:29:52
○ 2026-04-09 05:13:30
○ 2026-07-30 12:07:14

●NStaishan.ns.giantpanda.com2026-04-09 → 2026-07-30 · 3 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
● 2026-07-30 12:07:14

○MXlocalhost2017-04-20 → 2017-04-20 · 4 obs

○ 2016-08-09 08:28:50
● 2017-04-20 14:29:52
○ 2026-04-09 05:13:30
○ 2026-07-30 12:07:14

○MXmail.nickstel.com2015-08-03 → 2016-08-09 · 4 obs

● 2015-08-03 07:58:30
● 2016-08-09 08:28:50
○ 2017-04-20 14:29:52
○ 2026-07-30 12:07:14

○A139.162.174.2092026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

○A139.162.181.762026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

○A172.104.149.862026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

○A172.104.203.1862026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

○A172.104.251.1982026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

●A2600:3c03::f03c:95ff:fe00:29ca2026-04-09 → 2026-07-30 · 5 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
○ 2026-06-25 08:00:10
● 2026-07-30 12:07:10
● 2026-07-30 12:07:14

●A2600:3c03::f03c:95ff:fe91:5d522026-04-09 → 2026-07-30 · 5 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
○ 2026-06-25 08:00:10
● 2026-07-30 12:07:10
● 2026-07-30 12:07:14

●A2600:3c03::f03c:95ff:feed:4d4f2026-04-09 → 2026-07-30 · 5 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
○ 2026-06-25 08:00:10
● 2026-07-30 12:07:10
● 2026-07-30 12:07:14

●A2600:3c03::f03c:95ff:feed:cf2a2026-04-09 → 2026-07-30 · 5 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
○ 2026-06-25 08:00:10
● 2026-07-30 12:07:10
● 2026-07-30 12:07:14

○A2a01:7e01::2000:dff:fec1:5cdb2026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

○A2a01:7e01::f03c:95ff:fe00:26922026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

○A2a01:7e01::f03c:95ff:fe91:5d912026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

○A2a01:7e01::f03c:95ff:feeb:9d4b2026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

○A2a01:7e01::f03c:95ff:feed:783e2026-06-25 → 2026-06-25 · 4 obs

○ 2026-04-09 05:13:30
● 2026-06-25 08:00:10
○ 2026-07-30 12:07:10
○ 2026-07-30 12:07:14

●A45.33.83.1002026-04-09 → 2026-07-30 · 5 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
○ 2026-06-25 08:00:10
● 2026-07-30 12:07:10
● 2026-07-30 12:07:14

●A45.79.167.1802026-04-09 → 2026-07-30 · 5 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
○ 2026-06-25 08:00:10
● 2026-07-30 12:07:10
● 2026-07-30 12:07:14

●A66.175.209.1792026-04-09 → 2026-07-30 · 5 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
○ 2026-06-25 08:00:10
● 2026-07-30 12:07:10
● 2026-07-30 12:07:14

○A72.52.4.902015-08-03 → 2017-04-20 · 4 obs

● 2015-08-03 07:58:30
● 2017-04-20 14:29:52
○ 2026-04-09 05:13:30
○ 2026-07-30 12:07:14

●A96.126.111.1652026-04-09 → 2026-07-30 · 5 obs

○ 2017-04-20 14:29:52
● 2026-04-09 05:13:30
○ 2026-06-25 08:00:10
● 2026-07-30 12:07:10
● 2026-07-30 12:07:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	be.dns.eu, x.dns.eu, y.dns.eu, w.dns.eu...	-
51cto.eu	taishan.ns.giantpanda.com, huamei.ns.giantpanda.com	-

✅ Authoritative Response

Server:3.33.232.36

NS records: taishan.ns.giantpanda.com, huamei.ns.giantpanda.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51cto.eu (unsigned zone)

⏱️ Timing

Total: 645ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`45.79.167.180, 96.126.111.165...`
AAAA	4	`2600:3c03::f03c:95ff:fe00:29ca, 2600:3c03::f03c:95ff:feed:4d4f...`
NS	2	`huamei.ns.giantpanda.com, taishan.ns.giantpanda.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2",`
SOA	1	`huamei.ns.giantpanda.com admin.giantpand`

Analysis

IP Addresses

51cto.eu resolves to 8 IP numbers: 45.33.83.100, 45.79.167.180, 66.175.209.179 and 5 other.

Additional host names — trueblueinc.com.com, images.odayre.com.com, seabrookstyles.com and two others — share IP numbers with 51cto.eu.

Name Servers

DNS delegation for 51cto.eu points to two name servers: huamei.ns.giantpanda.com and taishan.ns.giantpanda.com.

51cto.eu shares its name server setup with other domains, including www.satisfaction3.it, cnzz.eu, bz2.flvtube.net and two others.

51cto.eu shares at least some of its name servers with other domains, including vipendo.de, mainerefinancing.com, wisper.it and two others.

These name servers are frequently paired with the name servers yangyang.ns.giantpanda.com, lunlun.ns.giantpanda.com, yangguang.ns.giantpanda.com and two others.

huamei.ns.giantpanda.com and taishan.ns.giantpanda.com each resolve to one IP number: huamei.ns.giantpanda.com points to 3.33.232.36 and taishan.ns.giantpanda.com points to 75.2.45.63.

51cto.eu - robtex.com

51cto.eu

eu

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`51cto.eu`

`eu`