`mail.seifriedbrew.com`

DNSSEC	⚠️ Not signed
A	216.164.172.50^{🇺🇸 RCN-AS216.164.160.0/19 RCN-BLK-5 ATW RCN Corporation 196 Van Buren Street Herndon, VA 20170 US}
		PTR	`handzenz03.h.subnet.rcn.com`

`seifriedbrew.com`

	DNSSEC	⚠️ Not signed
	A	132.148.243.137^{🇺🇸 AS398101132.148.240.0/21}
	NS	`ns33.domaincontrol.com` ⭐
	NS	`ns34.domaincontrol.com`
	MX	`seifriedbrew-com.mail.protection.outlook.com` ⭐
	TXT	`MS=ms42214319`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`ns33.domaincontrol.com`dns@jomax.net 2025-12-24 #0

PTR for

50.21.164.216.in-addr.arpa

Previously MX for

seifriedbrew.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A216.164.172.502015-08-11 → 2026-05-13 · 2 obs

● 2015-08-11 07:34:02
● 2026-05-13 08:40:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
seifriedbrew.com	ns33.domaincontrol.com, ns34.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.106.17

NS records: ns33.domaincontrol.com, ns34.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for seifriedbrew.com (unsigned zone)

⏱️ Timing

Total: 80ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.164.172.50`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns33.domaincontrol.com, ns33.domaincontrol.com, ns34.domaincontrol.com...)

Analysis

IP Addresses

mail.seifriedbrew.com points to an IP address: 216.164.172.50.

Other host names, for instance mail.sbmuni.com and handzenz03.h.subnet.rcn.com, share IP numbers with mail.seifriedbrew.com.

mail.seifriedbrew.com - robtex.com