`expresscourses.eu`

DNSSEC	⚠️ Not signed
A	217.160.0.239^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
		PTR	`217-160-0-239.elastic-ssl.ui-r.com`
NS	`ns1056.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:5138:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1056.ui-dns.biz`
		A	217.160.81.56^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1056.ui-dns.biz`
NS	`ns1056.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:5238:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1056.ui-dns.com`
		A	217.160.82.56^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1056.ui-dns.com`
NS	`ns1056.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:56^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1056.ui-dns.de`
		A	217.160.80.56^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1056.ui-dns.de`
NS	`ns1056.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5338:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1056.ui-dns.org`
		A	217.160.83.56^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1056.ui-dns.org`
MX	`mx00.ionos.co.uk` ⭐
		A	212.227.15.41^{🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2}
			PTR	`mx00.kundenserver.de`
MX	`mx01.ionos.co.uk` ⭐
		A	217.72.192.67^{🇩🇪 IONOS-AS217.72.192.0/20 Web.de}
			PTR	`mx01.kundenserver.de`
TXT	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	`ns1056.ui-dns.biz`hostmaster@1and1.co.uk 2017-06-21 #4

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1122780198

Same first word

expresscourses.eu

Similar names

course(0x736578)press.com

DNS History

13 records (7 active, 6 former)

●NSns1056.ui-dns.biz2019-04-01 → 2026-03-29 · 3 obs

○ 2017-02-16 13:09:32
● 2019-04-01 00:24:54
● 2026-03-29 21:25:00

●NSns1056.ui-dns.com2019-04-01 → 2026-03-29 · 3 obs

○ 2017-02-16 13:09:32
● 2019-04-01 00:24:54
● 2026-03-29 21:25:00

●NSns1056.ui-dns.de2019-04-01 → 2026-03-29 · 3 obs

○ 2017-02-16 13:09:32
● 2019-04-01 00:24:54
● 2026-03-29 21:25:00

●NSns1056.ui-dns.org2019-04-01 → 2026-03-29 · 3 obs

○ 2017-02-16 13:09:32
● 2019-04-01 00:24:54
● 2026-03-29 21:25:00

○NSns67.1and1.co.uk2015-08-22 → 2017-02-16 · 4 obs

● 2015-08-22 05:17:48
● 2017-02-16 13:09:32
○ 2019-04-01 00:24:54
○ 2026-03-29 21:25:00

○NSns68.1and1.co.uk2015-08-22 → 2017-02-16 · 4 obs

● 2015-08-22 05:17:48
● 2017-02-16 13:09:32
○ 2019-04-01 00:24:54
○ 2026-03-29 21:25:00

○MXmx00.1and1.co.uk2015-08-22 → 2019-04-01 · 3 obs

● 2015-08-22 05:17:48
● 2019-04-01 00:24:54
○ 2026-03-29 21:25:00

●MXmx00.ionos.co.uk2026-03-29 → 2026-03-29 · 2 obs

○ 2019-04-01 00:24:54
● 2026-03-29 21:25:00

○MXmx01.1and1.co.uk2015-08-22 → 2019-04-01 · 3 obs

● 2015-08-22 05:17:48
● 2019-04-01 00:24:54
○ 2026-03-29 21:25:00

●MXmx01.ionos.co.uk2026-03-29 → 2026-03-29 · 2 obs

○ 2019-04-01 00:24:54
● 2026-03-29 21:25:00

●A217.160.0.2392019-04-01 → 2026-03-29 · 3 obs

○ 2017-02-16 13:09:32
● 2019-04-01 00:24:54
● 2026-03-29 21:25:00

○A217.160.223.1062016-07-11 → 2017-02-16 · 5 obs

○ 2016-03-14 10:29:54
● 2016-07-11 23:20:46
● 2017-02-16 13:09:32
○ 2019-04-01 00:24:54
○ 2026-03-29 21:25:00

○A82.165.81.1612015-08-22 → 2016-03-14 · 4 obs

● 2015-08-22 05:17:48
● 2016-03-14 10:29:54
○ 2016-07-11 23:20:46
○ 2026-03-29 21:25:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
expresscourses.eu	ns1056.ui-dns.org, ns1056.ui-dns.com, ns1056.ui-dns.de, ns1056.ui-dns.biz	-

✅ Authoritative Response

Server:217.160.82.56

NS records: ns1056.ui-dns.org, ns1056.ui-dns.com, ns1056.ui-dns.de, ns1056.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expresscourses.eu (unsigned zone)

⏱️ Timing

Total: 703ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.239`
NS	4	`ns1056.ui-dns.biz, ns1056.ui-dns.de...`
MX	2	`mx01.ionos.co.uk (pri: 10), mx00.ionos.co.uk (pri: 10)`
TXT	1	`v=spf1 include:_spf-eu.ionos.com ~all`
SOA	1	`ns1056.ui-dns.biz hostmaster.1and1.co.uk`

Analysis

IP Addresses

expresscourses.eu resolves to one IP number: 217.160.0.239.

other host names including ib-at.com, kerlingen.de, ninathomas.de, kadigo.eu and cargas.de share IP numbers with expresscourses.eu.

Name Servers

expresscourses.eu is delegated to four name servers: ns1056.ui-dns.biz, ns1056.ui-dns.com, ns1056.ui-dns.de and ns1056.ui-dns.org.

expresscourses.eu at least partially shares name servers with other domains, for instance revibers.co.uk, emmabiggsmosaic.net, sandysims.com, outdooreurope.eu and voltae.es.

These name servers are commonly used with the following name servers: ns1102.ui-dns.com, ns1020.ui-dns.biz, ns1017.ui-dns.org, ns1039.ui-dns.com, ns1110.ui-dns.com, ns1071.ui-dns.biz, ns1076.ui-dns.org, ns1075.ui-dns.de, ns1112.ui-dns.de and ns1083.ui-dns.org.

Host names with two IP numbers:

ns1056.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5138:100 and 217.160.81.56; ns1056.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5238:100 and 217.160.82.56; ns1056.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:56 and 217.160.80.56; ns1056.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5338:100 and 217.160.83.56.

Mail Servers

Two mail servers handle expresscourses.eu: mx00.ionos.co.uk and mx01.ionos.co.uk.

expresscourses.eu shares the same mail server setup as other domains, for instance greenscythe.co.uk, tcguk.com, gitman.co.uk, businessenglish.com.tr and dynastream.london.

expresscourses.eu shares some mail servers with other domains, at least partially, for example blendedpast.com and be-modern.com.

Host names with one IP number:

mx00.ionos.co.uk points to 212.227.15.41

mx01.ionos.co.uk points to 217.72.192.67

expresscourses.eu - robtex.com