sylvan-inc.com - robtex.com

sylvan-inc.com

DNSSEC⚠️ Not signed
A162.159.135.42Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns-1825.awsdns-36.co.uk
A2600:9000:5307:2100::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1825.awsdns-36.co.uk
A205.251.199.33🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1825.awsdns-36.co.uk
NSns-1330.awsdns-38.org
A2600:9000:5305:3200::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1330.awsdns-38.org
A205.251.197.50🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1330.awsdns-38.org
NSns-292.awsdns-36.com
A2600:9000:5301:2400::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-292.awsdns-36.com
A205.251.193.36🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-292.awsdns-36.com
NSns-756.awsdns-30.net
A2600:9000:5302:f400::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-756.awsdns-30.net
A205.251.194.244🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-756.awsdns-30.net
MXus-smtp-inbound-1.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
TXT0ed1fe018a9e36fb0ccd07439781945e97e597f605
TXTMS=ms59003713
TXTv=spf1 include:_spf.sylvan-inc.com include:spf.smtp2go.com include:243196737....
SOAns-1825.awsdns-36.co.ukawsdns-hostmaster@amazon.com serial=1

com

Same first word

DNS History

8 records (7 active, 1 former)

NSns-1330.awsdns-38.orgns-1825.awsdns-36.co.ukns-292.awsdns-36.comns-756.awsdns-30.netMXus-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.comA162.159.135.42162.144.20.125
NSns-1330.awsdns-38.org2026-03-24 → 2026-07-26 · 2 obs
● 2026-03-24 17:12:10
● 2026-07-26 23:07:06
NSns-1825.awsdns-36.co.uk2026-03-24 → 2026-07-26 · 2 obs
● 2026-03-24 17:12:10
● 2026-07-26 23:07:06
NSns-292.awsdns-36.com2026-03-24 → 2026-07-26 · 2 obs
● 2026-03-24 17:12:10
● 2026-07-26 23:07:06
NSns-756.awsdns-30.net2026-03-24 → 2026-07-26 · 2 obs
● 2026-03-24 17:12:10
● 2026-07-26 23:07:06
MXus-smtp-inbound-1.mimecast.com2026-03-24 → 2026-07-26 · 2 obs
● 2026-03-24 17:12:10
● 2026-07-26 23:07:06
MXus-smtp-inbound-2.mimecast.com2026-03-24 → 2026-07-26 · 2 obs
● 2026-03-24 17:12:10
● 2026-07-26 23:07:06
A162.144.20.1252026-03-24 → 2026-04-18 · 4 obs
● 2026-03-24 17:12:10
● 2026-04-18 13:38:04
○ 2026-07-26 23:07:04
○ 2026-07-26 23:07:06
A162.159.135.422026-07-26 → 2026-07-26 · 3 obs
○ 2026-04-18 13:38:04
● 2026-07-26 23:07:04
● 2026-07-26 23:07:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...-
sylvan-inc.comns-292.awsdns-36.com, ns-756.awsdns-30.net, ns-1825.awsdns-36.co.uk, ns-1330.awsdns-38.org2 records

✅ Authoritative Response

Server:205.251.197.50

NS records: ns-292.awsdns-36.com, ns-756.awsdns-30.net, ns-1825.awsdns-36.co.uk, ns-1330.awsdns-38.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sylvan-inc.com (unsigned zone)

⏱️ Timing

Total: 551ms | Queries: -

📄 Records

TypeCountSample Data
A1162.159.135.42
NS4ns-1330.awsdns-38.org, ns-1825.awsdns-36.co.uk...
MX2us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)
TXT30ed1fe018a9e36fb0ccd07439781945e97e597f6, MS=ms59003713...
SOA1ns-1825.awsdns-36.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-292.awsdns-36.com, ns-292.awsdns-36.com)

Analysis

IP Addresses

sylvan-inc.com has exactly one IP address — 162.159.135.42.

mozaiek.com, elsanalysis.com, swhelperorg.hosting.kinsta.cloud plus two other host names have IP numbers in common with sylvan-inc.com.

Name Servers

Four name servers handle the delegation for sylvan-inc.com: ns-292.awsdns-36.com, ns-756.awsdns-30.net, ns-1330.awsdns-38.org and ns-1825.awsdns-36.co.uk.

There is at least partial name server overlap between sylvan-inc.com and other domains — postgradfair.com, ackoo.co, eurotaxnet.com and two more among them.

All four hostnames — ns-292.awsdns-36.com, ns-756.awsdns-30.net, ns-1330.awsdns-38.org and ns-1825.awsdns-36.co.uk — resolve to two IP numbers apiece: ns-292.awsdns-36.com to 205.251.193.36 and 2600:9000:5301:2400::1; ns-756.awsdns-30.net to 205.251.194.244 and 2600:9000:5302:f400::1; ns-1330.awsdns-38.org to 205.251.197.50 and 2600:9000:5305:3200::1; ns-1825.awsdns-36.co.uk to 205.251.199.33 and 2600:9000:5307:2100::1.

Mail Servers

sylvan-inc.com uses two mail servers, us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

The mail server setup of sylvan-inc.com matches that of other domains such as clearstreet.io, sgadesigngroup.com, isoftbet.com and two others.

The mail servers of sylvan-inc.com overlap at least partially with those of other domains, including mail.trucking.org, canyonviewcu.com and shonelumber.com.

Hosts with 6 IP addresses each:

us-smtp-inbound-1.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 other IP addresses.

us-smtp-inbound-2.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 other IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.141 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.221 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.128.242 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.141 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.221 IP addresses.

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com both resolve to 170.10.132.242 IP addresses.