`michaelduffy.net`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.112^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`ns1030.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:511e:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1030.ui-dns.biz`
		A	217.160.81.30^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1030.ui-dns.biz`
NS	`ns1030.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:521e:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1030.ui-dns.com`
		A	217.160.82.30^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1030.ui-dns.com`
NS	`ns1030.ui-dns.de`
		A	2001:8d8:fe:53:0:d9a0:501e:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1030.ui-dns.de`
		A	217.160.80.30^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1030.ui-dns.de`
NS	`ns1030.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:531e:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1030.ui-dns.org`
		A	217.160.83.30^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1030.ui-dns.org`
MX	`mx00.ionos.com` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.com` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1030.ui-dns.biz`hostmaster@1and1.com 2016-07-26 #5

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775990867

Same first word

michaelduffy.net

DNS History

19 records (8 active, 11 former)

○NSns1.netfirms.com2007-09-20 → 2007-09-20 · 3 obs

● 2007-09-20 18:30:26
○ 2015-07-08 11:53:36
○ 2026-04-12 11:09:16

●NSns1030.ui-dns.biz2026-04-12 → 2026-04-12 · 2 obs

○ 2016-12-31 06:35:10
● 2026-04-12 11:09:16

●NSns1030.ui-dns.com2026-04-12 → 2026-04-12 · 2 obs

○ 2016-12-31 06:35:10
● 2026-04-12 11:09:16

●NSns1030.ui-dns.de2026-04-12 → 2026-04-12 · 2 obs

○ 2016-12-31 06:35:10
● 2026-04-12 11:09:16

●NSns1030.ui-dns.org2026-04-12 → 2026-04-12 · 2 obs

○ 2016-12-31 06:35:10
● 2026-04-12 11:09:16

○NSns2.netfirms.com2007-09-20 → 2007-09-20 · 3 obs

● 2007-09-20 18:30:26
○ 2015-07-08 11:53:36
○ 2026-04-12 11:09:16

○NSns51.1and1.com2015-07-08 → 2016-12-31 · 4 obs

○ 2007-09-20 18:30:26
● 2015-07-08 11:53:36
● 2016-12-31 06:35:10
○ 2026-04-12 11:09:16

○NSns52.1and1.com2015-07-08 → 2016-12-31 · 4 obs

○ 2007-09-20 18:30:26
● 2015-07-08 11:53:36
● 2016-12-31 06:35:10
○ 2026-04-12 11:09:16

○MXmx00.1and1.com2015-07-08 → 2016-12-31 · 4 obs

○ 2007-09-20 18:30:26
● 2015-07-08 11:53:36
● 2016-12-31 06:35:10
○ 2026-04-12 11:09:16

●MXmx00.ionos.com2026-04-12 → 2026-04-12 · 2 obs

○ 2016-12-31 06:35:10
● 2026-04-12 11:09:16

○MXmx01.1and1.com2015-07-08 → 2016-12-31 · 4 obs

○ 2007-09-20 18:30:26
● 2015-07-08 11:53:36
● 2016-12-31 06:35:10
○ 2026-04-12 11:09:16

●MXmx01.ionos.com2026-04-12 → 2026-04-12 · 2 obs

○ 2016-12-31 06:35:10
● 2026-04-12 11:09:16

○MXq0.netfirms.com2007-09-20 → 2007-09-20 · 3 obs

● 2007-09-20 18:30:26
○ 2015-07-08 11:53:36
○ 2026-04-12 11:09:16

○MXq1.netfirms.com2007-09-20 → 2007-09-20 · 3 obs

● 2007-09-20 18:30:26
○ 2015-07-08 11:53:36
○ 2026-04-12 11:09:16

●A2001:8d8:100f:f000::2002026-04-12 → 2026-04-12 · 2 obs

○ 2016-12-31 06:35:10
● 2026-04-12 11:09:16

○A216.250.121.712016-12-31 → 2016-12-31 · 3 obs

○ 2016-04-26 07:30:24
● 2016-12-31 06:35:10
○ 2026-04-12 11:09:16

●A217.160.0.1122026-04-12 → 2026-04-12 · 2 obs

○ 2016-12-31 06:35:10
● 2026-04-12 11:09:16

○A66.244.252.1732007-09-20 → 2007-09-20 · 3 obs

● 2007-09-20 18:30:26
○ 2015-07-08 11:53:36
○ 2026-04-12 11:09:16

○A74.208.60.942015-07-08 → 2016-04-26 · 5 obs

○ 2007-09-20 18:30:26
● 2015-07-08 11:53:36
● 2016-04-26 07:30:24
○ 2016-12-31 06:35:10
○ 2026-04-12 11:09:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	e.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...	-
michaelduffy.net	ns1030.ui-dns.de, ns1030.ui-dns.biz, ns1030.ui-dns.org, ns1030.ui-dns.com	-

✅ Authoritative Response

Server:217.160.81.30

NS records: ns1030.ui-dns.de, ns1030.ui-dns.biz, ns1030.ui-dns.org, ns1030.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for michaelduffy.net (unsigned zone)

⏱️ Timing

Total: 408ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.112`
AAAA	1	`2001:8d8:100f:f000::200`
NS	4	`ns1030.ui-dns.biz, ns1030.ui-dns.org...`
MX	2	`mx00.ionos.com (pri: 10), mx01.ionos.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1030.ui-dns.biz hostmaster.1and1.com`

Analysis

IP Addresses

michaelduffy.net resolves to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.112.

Other host names, for instance ihge.eu, deutscher-versicherungsmakler.de, www.luunaa.de, timper.es and dolium.es share IP numbers with michaelduffy.net.

Name Servers

michaelduffy.net's delegation is handled by four name servers: ns1030.ui-dns.biz, ns1030.ui-dns.com, ns1030.ui-dns.de and ns1030.ui-dns.org.

michaelduffy.net partially shares name servers with other domains; examples include as-trading.eu, wcldradio.com, imaa.ca, cotrion.com and easyst.net.

These name servers commonly accompany ns1070.ui-dns.com, ns1097.ui-dns.de, ns1044.ui-dns.de and ns1088.ui-dns.org.

Host names with two IPs:

ns1030.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:511e:100 and 217.160.81.30

ns1030.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:521e:100 and 217.160.82.30

ns1030.ui-dns.de points to 2001:8d8:fe:53:0:d9a0:501e:100 and 217.160.80.30

ns1030.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:531e:100 and 217.160.83.30

Mail Servers

michaelduffy.net is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

michaelduffy.net has the same mail server setup as other domains, including criminaljusticeforall.com, gcdtp.com, saphow.com, eventualmillionairebook.com and chungs.info.

Some mail servers are shared between michaelduffy.net and other domains, for example linuspine.com.

Host names with one IP number: The host name mx00.ionos.com points to 74.208.5.3 and the host name mx01.ionos.com points to 74.208.5.21.

michaelduffy.net - robtex.com