`fallback.expo.nl`

	DNSSEC	⚠️ Not signed
	A	217.26.113.20^{🇳🇱 IU-Net217.26.112.0/20 Internet Unie Services B.V.}

`expo.nl`

	DNSSEC	⚠️ Not signed
	A	217.26.127.231^{🇳🇱 IU-Net217.26.112.0/20 Internet Unie Services B.V.}
	NS	`ns1.iu.nl` ⭐
	NS	`ns2.iu.nl`
	NS	`ns4.iu.nl`
	MX	`mail.frs.nl` ⭐
	MX	`mail.expo.nl`⁽⁵⁰⁾
	MX	`fallback.expo.nl`⁽¹⁰⁰⁾
	SOA	`ns1.iu.nl`hostmaster@expo.nl 2017-05-08 #0

WOT: SAFE (62/100)
WOT: SAFE (73/100)

MX for

expo.nl

Same first word

fallback.com

fallback.io

fallback.ru

fallback.de

fallback.ca

fallback.it

fallback.zone

fallback.us

fallback.cloud

fallback.be

fallback.in

fallback.nl

fallback.net

fallback.info

fallback.mx

fallback.site

fallback.at

fallback.org

fallback.biz

DNS History

1 record (1 active, 0 former)

●A217.26.113.202015-05-24 → 2026-07-31 · 2 obs

● 2015-05-24 14:37:34
● 2026-07-31 11:26:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
expo.nl	ns1.iu.nl, ns2.iu.nl, ns4.iu.nl	4 records

✅ Authoritative Response

Server:217.26.127.254

NS records: ns1.iu.nl, ns2.iu.nl, ns4.iu.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expo.nl (unsigned zone)

⏱️ Timing

Total: 613ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.26.113.20`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.iu.nl, ns2.iu.nl, ns1.iu.nl...)

Analysis

Mail Server Role

The mail server fallback.expo.nl processes email for expo.nl.

mail.expo.nl and mail.frs.nl commonly serve as mail servers alongside fallback.expo.nl.

IP Addresses

fallback.expo.nl resolves to just one IP address, 217.26.113.20.

fallback.expo.nl - robtex.com

fallback.expo.nl

expo.nl