`lib-proxy.calvin.edu`

DNSSEC	⚠️ Not signed
A	153.106.124.134^{🇺🇸 AS22217153.106.0.0/16 PNAP-CHG ussignal route}
		PTR	`ump.calvin.edu`

`calvin.edu`

	DNSSEC	⚠️ Not signed
	A	2620:12a:8000::3^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
	A	2620:12a:8001::3^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
	A	23.185.0.3^{🇺🇸 Fastly23.185.0.0/24 Pantheon}
	NS	`dns2.calvin.edu` ⭐
	NS	`dns.calvin.edu`
	MX	`mxa-002f7301.gslb.pphosted.com` ⭐
	MX	`mxb-002f7301.gslb.pphosted.com` ⭐
	TXT	`atlassian-domain-verification=DjNBBBOlarzEnFCvY9k/XKjLNq3a45aOAH/hB8dfX42LNc8...`
	TXT	`bw=sI3BCDP5hiNl8KC9zB3Lx0v1PZ939bxKJmohuLnqvQWF`
	TXT	`v=spf1 ip4:148.163.143.211 ip4:148.163.146.16 ip4:153.106.124.191 ip4:153.106...`
	SOA	`dns.calvin.edu`dns-admin@calvin.edu serial=2260401001

WOT: SAFE (65/100)
rank #8812 globally
rank #287 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #27,270

Subdomains

login.lib-proxy.calvin.edu

DNS History

1 record (1 active, 0 former)

●A153.106.124.1342026-04-02 → 2026-04-03 · 2 obs

● 2026-04-02 21:52:58
● 2026-04-03 23:59:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net...	-
calvin.edu	dns.calvin.edu, dns2.calvin.edu	2 records

✅ Authoritative Response

Server:153.106.253.110

NS records: dns.calvin.edu, dns2.calvin.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calvin.edu (unsigned zone)

⏱️ Timing

Total: 110ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.106.124.134`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (dns.calvin.edu, dns2.calvin.edu)

Analysis

Hierarchy

lib-proxy.calvin.edu is the parent of login.lib-proxy.calvin.edu.

IP Addresses

lib-proxy.calvin.edu resolves to one IP number: 153.106.124.134.

Other host names such as login.lib-proxy.calvin.edu and ump.calvin.edu share IP numbers with lib-proxy.calvin.edu.

lib-proxy.calvin.edu - robtex.com