polytechnic.it - dns.ninja

`polytechnic.it`

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	`anan.ns.giantpanda.com` ⭐ ⚠️ Not in parent delegation
		A	3.33.232.36^{🇺🇸 Amazon3.33.224.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
NS	`lunlun.ns.giantpanda.com` ⚠️ Not in zone NS records
		A	75.2.60.62^{🇺🇸 Amazon75.2.60.0/24 Prod}
			PTR	`a96bd4be2a35efd86.awsglobalaccelerator.com`
NS	`shishi.ns.giantpanda.com` ⚠️ Not in parent delegation
		A	75.2.45.63^{🇺🇸 Amazon75.2.32.0/20}
			PTR	`ab9e1958095d04f26.awsglobalaccelerator.com`
NS	`yangyang.ns.giantpanda.com` ⚠️ Not in zone NS records
		A	99.83.188.43^{🇺🇸 Amazon99.83.176.0/20}
			PTR	`a96bd4be2a35efd86.awsglobalaccelerator.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
TXT	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
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	`anan.ns.giantpanda.com`admin@giantpanda.com 2013-02-04 #1

`it`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.it` ⭐
	NS	`a.dns.it`
	NS	`m.dns.it`
	NS	`nameserver.cnr.it`
	NS	`r.dns.it`
	NS	`v.dns.it`
	SOA	`dns.nic.it`hostmaster@nic.it 2026-07-29 #19

Subdomains

mx.polytechnic.it

Same first word

Similar names

polytechinc.org

polytechinc.biz

polytechinc.com

polytechinc.dyndns.org

DNS History

37 records (13 active, 24 former)

●NSanan.ns.giantpanda.com2026-03-28 → 2026-07-29 · 3 obs

○ 2017-03-31 18:33:08
● 2026-03-28 06:51:40
● 2026-07-29 17:52:22

○NSdns.technorail.com2015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○NSdns2.technorail.com2015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○NSdns3.arubadns.net2015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○NSdns4.arubadns.cz2015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

●NSlunlun.ns.giantpanda.com2026-03-28 → 2026-07-29 · 3 obs

○ 2017-03-31 18:33:08
● 2026-03-28 06:51:40
● 2026-07-29 17:52:22

○NSns1.bodis.com2026-03-28 → 2026-07-29 · 2 obs

○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○NSns2.bodis.com2026-03-28 → 2026-07-29 · 2 obs

○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

●NSshishi.ns.giantpanda.com2026-06-25 → 2026-07-29 · 3 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
● 2026-07-29 17:52:22

●NSyangyang.ns.giantpanda.com2026-03-28 → 2026-07-29 · 3 obs

○ 2017-03-31 18:33:08
● 2026-03-28 06:51:40
● 2026-07-29 17:52:22

○MXmx.polytechnic.it2015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

●MXsmtp.google.com2026-03-28 → 2026-07-29 · 3 obs

○ 2017-03-31 18:33:08
● 2026-03-28 06:51:40
● 2026-07-29 17:52:22

○A139.162.174.2092026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A139.162.181.762026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A172.104.149.862026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A172.104.203.1862026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A172.104.251.1982026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A199.59.243.2282026-03-28 → 2026-07-29 · 2 obs

○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

●A2600:3c03::f03c:95ff:fe00:29ca2026-06-26 → 2026-07-29 · 4 obs

○ 2026-06-25 11:25:18
● 2026-06-26 03:23:50
○ 2026-07-11 03:35:12
● 2026-07-29 17:52:22

●A2600:3c03::f03c:95ff:fe91:5d522026-03-28 → 2026-07-29 · 6 obs

○ 2017-03-31 18:33:08
● 2026-03-28 06:51:40
○ 2026-06-25 11:25:18
● 2026-06-26 03:23:50
○ 2026-07-11 03:35:12
● 2026-07-29 17:52:22

●A2600:3c03::f03c:95ff:feed:4d4f2026-03-28 → 2026-07-29 · 6 obs

○ 2017-03-31 18:33:08
● 2026-03-28 06:51:40
○ 2026-06-25 11:25:18
● 2026-06-26 03:23:50
○ 2026-07-11 03:35:12
● 2026-07-29 17:52:22

●A2600:3c03::f03c:95ff:feed:cf2a2026-06-26 → 2026-07-29 · 4 obs

○ 2026-06-25 11:25:18
● 2026-06-26 03:23:50
○ 2026-07-11 03:35:12
● 2026-07-29 17:52:22

○A2a01:7e01::2000:dff:fec1:5cdb2026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A2a01:7e01::f03c:95ff:fe00:26922026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A2a01:7e01::f03c:95ff:fe91:5d912026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A2a01:7e01::f03c:95ff:feeb:9d4b2026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

○A2a01:7e01::f03c:95ff:feed:783e2026-06-25 → 2026-07-11 · 5 obs

○ 2026-03-28 06:51:40
● 2026-06-25 11:25:18
○ 2026-06-26 03:23:50
● 2026-07-11 03:35:12
○ 2026-07-29 17:52:22

●A45.33.83.1002026-06-26 → 2026-07-29 · 4 obs

○ 2026-06-25 11:25:18
● 2026-06-26 03:23:50
○ 2026-07-11 03:35:12
● 2026-07-29 17:52:22

●A45.79.167.1802026-06-26 → 2026-07-29 · 4 obs

○ 2026-06-25 11:25:18
● 2026-06-26 03:23:50
○ 2026-07-11 03:35:12
● 2026-07-29 17:52:22

○A62.149.128.1512015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○A62.149.128.1542015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○A62.149.128.1572015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○A62.149.128.1602015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○A62.149.128.1632015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

○A62.149.128.1662015-07-10 → 2017-03-31 · 4 obs

● 2015-07-10 07:30:38
● 2017-03-31 18:33:08
○ 2026-03-28 06:51:40
○ 2026-07-29 17:52:22

●A66.175.209.1792026-03-28 → 2026-07-29 · 6 obs

○ 2017-03-31 18:33:08
● 2026-03-28 06:51:40
○ 2026-06-25 11:25:18
● 2026-06-26 03:23:50
○ 2026-07-11 03:35:12
● 2026-07-29 17:52:22

●A96.126.111.1652026-03-28 → 2026-07-29 · 6 obs

○ 2017-03-31 18:33:08
● 2026-03-28 06:51:40
○ 2026-06-25 11:25:18
● 2026-06-26 03:23:50
○ 2026-07-11 03:35:12
● 2026-07-29 17:52:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
it	m.dns.it, a.dns.it, v.dns.it, dns.nic.it...	-
polytechnic.it	yangyang.ns.giantpanda.com, lunlun.ns.giantpanda.com	-

✅ Authoritative Response

Server:99.83.188.43

NS records: yangyang.ns.giantpanda.com, lunlun.ns.giantpanda.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytechnic.it (unsigned zone)

⏱️ Timing

Total: 781ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`45.33.83.100, 66.175.209.179...`
AAAA	4	`2600:3c03::f03c:95ff:feed:cf2a, 2600:3c03::f03c:95ff:fe00:29ca...`
NS	2	`anan.ns.giantpanda.com, shishi.ns.giantpanda.com`
MX	1	`SMTP.GOOGLE.COM (pri: 10)`
TXT	1	`v=spf1 ip6:fd43:c0d1:c090::/48 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2",`
SOA	1	`anan.ns.giantpanda.com admin.giantpanda.`

Analysis

Hierarchy

polytechnic.it is the parent zone for mx.polytechnic.it.

IP Addresses

polytechnic.it resolves to 8 IP numbers: 45.33.83.100, 45.79.167.180, 66.175.209.179 and 5 other.

Additional host names — www.glasssoor.com, roompark.com, onlinepharmacy11.yolasite.com.com and two others — share IP numbers with polytechnic.it.

Name Servers

polytechnic.it has four authoritative name servers: anan.ns.giantpanda.com, lunlun.ns.giantpanda.com, shishi.ns.giantpanda.com and yangyang.ns.giantpanda.com.

polytechnic.it partially shares its NS delegation with several other domains, including net231-ip47.aureal.com, mx.skyper.it, colta.it and two others.

In DNS configurations, these name servers often share authority with po.ns.giantpanda.com, chichi.ns.giantpanda.com, panpan.ns.giantpanda.com and 4 other name servers.

anan.ns.giantpanda.com, lunlun.ns.giantpanda.com, shishi.ns.giantpanda.com and yangyang.ns.giantpanda.com each resolve to one IP address: anan.ns.giantpanda.com resolves to 3.33.232.36, lunlun.ns.giantpanda.com resolves to 75.2.60.62, shishi.ns.giantpanda.com resolves to 75.2.45.63 and yangyang.ns.giantpanda.com resolves to 99.83.188.43.

Mail Servers

polytechnic.it has one mail server: smtp.google.com.

polytechnic.it shares the same mail server setup as other domains, including idss.se, britannica.co.uk, soliaonline.com and two others.

polytechnic.it shares mail servers — at least in part — with other domains, including fenixci.com, phhsi.net, makro360.com and two others.

These mail servers are frequently used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt3.aspmx.l.google.com, plus two others.

smtp.google.com points to 9 IP numbers: 142.250.31.27, 142.251.16.26, 142.251.16.27 and 6 other.