🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mac203.math.fsu.edu`

DNSSEC	⚠️ Not signed
A	128.186.104.203^{🇺🇸 AS2553128.186.0.0/16 I2_FLR_NET}
		PTR	`mac203.math.fsu.edu`

`math.fsu.edu`

	DNSSEC	⚠️ Not signed
	A	128.186.104.32^{🇺🇸 AS2553128.186.0.0/16 I2_FLR_NET}
	MX	`mxa-00012503.gslb.pphosted.com` ⭐
	MX	`mxb-00012503.gslb.pphosted.com` ⭐
	MX	`nospam.math.fsu.edu`⁽²⁰⁾
	TXT	`v=spf1 ip4:128.186.104.32 ip4:148.163.149.175 ip4:148.163.152.135 ip4:148.16...`
	TXT	`MS=3E99A0BFCE02AD78BE47559E003BDF46212FECA3`

WOT: SAFE (63/100)
WOT: SAFE (80/100)

PTR for

203.104.186.128.in-addr.arpa

Similar names

mac023.cn

amc203.com

mac230.synology.me

023amc.com

Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A128.186.104.2032017-07-31 → 2026-10-16 · 2 obs

● 2017-07-31 15:39:58
● 2026-10-16 14:32:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	f.edu-servers.net, g.edu-servers.net, c.edu-servers.net, i.edu-servers.net...	14 records
fsu.edu	trantor.umd.edu, sdns.lbl.gov, rsb-bcns-external.fsu.edu, nwr-bcns-external.fsu.edu...	4 records

✅ Authoritative Response

Server:128.186.255.52

NS records: trantor.umd.edu, sdns.lbl.gov, rsb-bcns-external.fsu.edu, nwr-bcns-external.fsu.edu, aws-bcns-east1.fsu.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fsu.edu (unsigned zone)

⏱️ Timing

Total: 1293ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`128.186.104.203`

📌 Glue Records Collected

Total: 18

In-bailiwick: 3 (rsb-bcns-external.fsu.edu, nwr-bcns-external.fsu.edu, aws-bcns-east1.fsu.edu)

Out-of-bailiwick: 15 (m.edu-servers.net, l.edu-servers.net, k.edu-servers.net...)

Analysis

IP Addresses

mac203.math.fsu.edu resolves to just one IP address, 128.186.104.203.

mac203.math.fsu.edu - robtex.com