gbc.edu - robtex.com

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`gbc.edu`

DNSSEC	⚠️ Not signed
A	141.193.213.20^{🇺🇸 CLOUDFLARESPECTRUM}
A	141.193.213.21^{🇺🇸 CLOUDFLARESPECTRUM}
NS	`ns1.comcastbusiness.net` ⭐ 🔒
		A	2001:558:fe23:8:69:252:250:103^{🇺🇸 AS33287}
			PTR	`dns101.comcast.net`
		A	69.252.250.103^{🇺🇸 COMCAST-IBONE}
			PTR	`dns101.comcast.net`
NS	`ns2.comcastbusiness.net` 🔒
		A	2001:558:1004:7:68:87:85:132^{🇺🇸 COMCAST-IBONE}
			PTR	`dns102.comcast.net`
		A	68.87.85.132^{🇺🇸 COMCAST-IBONE}
			PTR	`dns102.comcast.net`
NS	`ns3.comcastbusiness.net` 🔒
		A	2001:558:1014:c:68:87:76:228^{🇺🇸 COMCAST-IBONE}
			PTR	`dns103.comcast.net`
		A	68.87.76.228^{🇺🇸 COMCAST-IBONE}
			PTR	`dns103.comcast.net`
NS	`ns4.comcastbusiness.net`⚠️ 🔒
		A	2001:558:100a:5:68:87:68:244^{🇺🇸 AS7725}
			PTR	`dns104.comcast.net`
		A	68.87.68.244^{🇺🇸 COMCAST-IBONE}
			PTR	`dns104.comcast.net`
NS	`ns5.comcastbusiness.net`⚠️ 🔒
		A	2001:558:100e:5:68:87:72:244^{🇺🇸 COMCAST-IBONE}
			PTR	`dns105.comcast.net`
		A	68.87.72.244^{🇺🇸 COMCAST-IBONE}
			PTR	`dns105.comcast.net`
MX	`mx1.hc5644-99.iphmx.com` ⭐
		A	207.54.84.253^{🇺🇸 CISCO-1}
		A	216.71.143.123^{🇺🇸 CISCO-1}
MX	`mx2.hc5644-99.iphmx.com` ⭐
		A	207.54.84.253^{🇺🇸 CISCO-1}
		A	216.71.143.123^{🇺🇸 CISCO-1}
TXT	`google-site-verification=2_81d-Jj7ptDGevufoxEiWmXtjXzJySpm7pB-equ2KM`
TXT	`vonqDgQo900zOFILJ2K/0ExGTPq98XExc8InL6FqGg2rDBdLUZ3sXQ1RrUTuf4wquXV9XGN8kwwdZ...`
TXT	`MS=ms81997416`
TXT	`ZOOM_verify_EK9HXN_YQu6Qcl4bG191cA`
TXT	`google-gws-recovery-domain-verification=46241884`
TXT	`v=spf1 mx exists:%{i}.spf.hc5644-99.iphmx.com -all`
SOA	`ns1.comcastbusiness.net`domreg-tech@comcastbusiness.net 2024-01-29 #13

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1770739707

rank #350444 globally
rank #2651 in the tld

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
gbc.edu	ns1.comcastbusiness.net, ns2.comcastbusiness.net, ns3.comcastbusiness.net	-

✅ Authoritative Response

Server: 68.87.85.132

NS records: ns1.comcastbusiness.net, ns2.comcastbusiness.net, ns3.comcastbusiness.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gbc.edu (unsigned zone)

⏱️ Timing

Total: 144ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`141.193.213.20, 141.193.213.21`
NS	5	`ns2.comcastbusiness.net, ns3.comcastbusiness.net...`
MX	2	`mx1.hc5644-99.iphmx.com (pri: 40), mx2.hc5644-99.iphmx.com (pri: 40)`
TXT	6	`vonqDgQo900zOFILJ2K/0ExGTPq98XExc8InL6Fq, MS=ms81997416...`
SOA	1	`ns1.comcastbusiness.net domreg-tech.comc`

AI analysis

gbc.edu points to two IP numbers: 141.193.213.20 and 141.193.213.21.

Other host names such as al6bubikyoao.wpeproxy.com, fuentelegal.com, shulman-hill.com, fgci.com and visualcompliance.eu share IP numbers with gbc.edu.

gbc.edu is delegated to five name servers: ns1.comcastbusiness.net, ns2.comcastbusiness.net, ns3.comcastbusiness.net, ns4.comcastbusiness.net and ns5.comcastbusiness.net.

At least part of the name servers for gbc.edu are shared with other domains, for instance 142.10.173.in-addr.arpa, 206.198.50.in-addr.arpa, 129.89.96.in-addr.arpa, 205.15.173.in-addr.arpa and 98.250.50.in-addr.arpa.

These name servers are commonly used alongside the name servers mmhm.comcastbusiness.net.

Host names with two IP numbers: ns1.comcastbusiness.net points to 2001:558:fe23:8:69:252:250:103 and 69.252.250.103; ns2.comcastbusiness.net points to 2001:558:1004:7:68:87:85:132 and 68.87.85.132; ns3.comcastbusiness.net points to 2001:558:1014:c:68:87:76:228 and 68.87.76.228; ns4.comcastbusiness.net points to 2001:558:100a:5:68:87:68:244 and 68.87.68.244; ns5.comcastbusiness.net points to 2001:558:100e:5:68:87:72:244 and 68.87.72.244.

gbc.edu is handled by two mail servers: mx1.hc5644-99.iphmx.com and mx2.hc5644-99.iphmx.com.

Host names with two IP numbers:

mx1.hc5644-99.iphmx.com points to 207.54.84.253 and 216.71.143.123.

mx2.hc5644-99.iphmx.com points to 207.54.84.253 and 216.71.143.123.

Names pointing to 207.54.84.253: mx1.hc5644-99.iphmx.com and mx2.hc5644-99.iphmx.com.

Names pointing to 216.71.143.123: mx1.hc5644-99.iphmx.com and mx2.hc5644-99.iphmx.com.