srff.dk - dns.ninja

`srff.dk`

DNSSEC	⚠️ Not signed
A	2a02:2350:5:10a:6a:7da8:a0b8:291a^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	46.30.213.13^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.pub.mailpod10-cph3.one.com` ⭐
		A	104.37.34.70^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx1.pub.mailpod10-cph3.one.com`
MX	`mx2.pub.mailpod10-cph3.one.com` ⭐
		A	104.37.34.71^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx2.pub.mailpod10-cph3.one.com`
MX	`mx3.pub.mailpod10-cph3.one.com` ⭐
		A	104.37.34.72^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx3.pub.mailpod10-cph3.one.com`
MX	`mx4.pub.mailpod10-cph3.one.com` ⭐
		A	104.37.34.73^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx4.pub.mailpod10-cph3.one.com`
SOA	`ns01.one.com`hostmaster@one.com 2026-07-28 #2

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1785629701localtime Sun Aug 2 02:15:01 2026gmtime Sun Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1785629701

Same first word

srff.io

srff.com

srff.ge

srff.dk

srff.no

srff.org

srff.cn

srff.se

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rfsf.ru

ffrs.net

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rffs.org.uk

rffs.com

ffsr.fr

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frsf.ca

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rsff.blogspot.com

sffr.org

sfrf.ca

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frsf.com

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sffr.net

ffsr.cn

sfrf.com

rsff.co.uk

DNS History

19 records (8 active, 11 former)

○NSns.scannet2.dk2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 21:48:44
○ 2015-11-09 00:43:52
○ 2026-08-02 00:16:22

●NSns01.one.com2015-11-09 → 2026-08-02 · 3 obs

○ 2015-07-03 21:48:44
● 2015-11-09 00:43:52
● 2026-08-02 00:16:22

●NSns02.one.com2015-11-09 → 2026-08-02 · 3 obs

○ 2015-07-03 21:48:44
● 2015-11-09 00:43:52
● 2026-08-02 00:16:22

○NSns2.scannet2.dk2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 21:48:44
○ 2015-11-09 00:43:52
○ 2026-08-02 00:16:22

○MXfront-lvs.scannet.dk2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 21:48:44
○ 2015-11-09 00:43:52
○ 2026-08-02 00:16:22

●MXmx1.pub.mailpod10-cph3.one.com2026-02-20 → 2026-08-02 · 3 obs

○ 2017-10-05 09:58:20
● 2026-02-20 09:58:42
● 2026-08-02 00:16:22

○MXmx1.pub.mailpod2-cph3.one.com2017-10-05 → 2017-10-05 · 4 obs

○ 2016-12-04 08:18:08
● 2017-10-05 09:58:20
○ 2026-02-20 09:58:42
○ 2026-08-02 00:16:22

●MXmx2.pub.mailpod10-cph3.one.com2026-02-20 → 2026-08-02 · 3 obs

○ 2017-10-05 09:58:20
● 2026-02-20 09:58:42
● 2026-08-02 00:16:22

○MXmx2.pub.mailpod2-cph3.one.com2017-10-05 → 2017-10-05 · 4 obs

○ 2016-12-04 08:18:08
● 2017-10-05 09:58:20
○ 2026-02-20 09:58:42
○ 2026-08-02 00:16:22

●MXmx3.pub.mailpod10-cph3.one.com2026-02-20 → 2026-08-02 · 3 obs

○ 2017-10-05 09:58:20
● 2026-02-20 09:58:42
● 2026-08-02 00:16:22

○MXmx3.pub.mailpod2-cph3.one.com2017-10-05 → 2017-10-05 · 4 obs

○ 2016-12-04 08:18:08
● 2017-10-05 09:58:20
○ 2026-02-20 09:58:42
○ 2026-08-02 00:16:22

●MXmx4.pub.mailpod10-cph3.one.com2026-02-20 → 2026-08-02 · 3 obs

○ 2017-10-05 09:58:20
● 2026-02-20 09:58:42
● 2026-08-02 00:16:22

○MXmxcluster1.one.com2015-11-09 → 2016-12-04 · 5 obs

○ 2015-07-03 21:48:44
● 2015-11-09 00:43:52
● 2016-12-04 08:18:08
○ 2017-10-05 09:58:20
○ 2026-08-02 00:16:22

○MXmxcluster2.one.com2015-11-09 → 2016-12-04 · 5 obs

○ 2015-07-03 21:48:44
● 2015-11-09 00:43:52
● 2016-12-04 08:18:08
○ 2017-10-05 09:58:20
○ 2026-08-02 00:16:22

●A2a02:2350:5:10a:6a:7da8:a0b8:291a2026-02-20 → 2026-08-02 · 3 obs

○ 2017-10-05 09:58:20
● 2026-02-20 09:58:42
● 2026-08-02 00:16:22

○A46.30.212.1722015-11-09 → 2016-03-10 · 5 obs

○ 2015-07-03 21:48:44
● 2015-11-09 00:43:52
● 2016-03-10 17:37:16
○ 2016-07-18 07:15:36
○ 2026-08-02 00:16:22

●A46.30.213.132026-02-20 → 2026-08-02 · 3 obs

○ 2017-10-05 09:58:20
● 2026-02-20 09:58:42
● 2026-08-02 00:16:22

○A46.30.213.972016-07-18 → 2017-10-05 · 5 obs

○ 2016-03-10 17:37:16
● 2016-07-18 07:15:36
● 2017-10-05 09:58:20
○ 2026-02-20 09:58:42
○ 2026-08-02 00:16:22

○A88.198.40.1962015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 21:48:44
○ 2015-11-09 00:43:52
○ 2026-08-02 00:16:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
srff.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for srff.dk (unsigned zone)

⏱️ Timing

Total: 969ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.213.13`
AAAA	1	`2a02:2350:5:10a:6a:7da8:a0b8:291a`
NS	2	`ns02.one.com, ns01.one.com`
MX	4	`mx2.pub.mailpod10-cph3.one.com (pri: 10), mx4.pub.mailpod10-cph3.one.com (pri: 10)...`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

IP Addresses

srff.dk has two IP addresses: 46.30.213.13 and 2a02:2350:5:10a:6a:7da8:a0b8:291a

Among the host names that share IP numbers with srff.dk are skovly.info, goyas.be, skaj.be and two others.

Name Servers

The NS records for srff.dk delegate to ns01.one.com and ns02.one.com.

srff.dk has the same name server delegation as a number of other domains, such as test-web.dk, spotlight-lamper.dk, meldfra.com and two more.

ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10. Likewise, ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10 — two IP addresses apiece.

Mail Servers

Mail for srff.dk is handled by four mail servers: mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-cph3.one.com, mx3.pub.mailpod10-cph3.one.com and mx4.pub.mailpod10-cph3.one.com.

srff.dk shares at least some of its mail servers with other domains — for example alitis.se, ttcob.be, lethibo.be and two more.

mx1.pub.mailpod10-cph3.one.com resolves to 104.37.34.70. mx2.pub.mailpod10-cph3.one.com resolves to 104.37.34.71. mx3.pub.mailpod10-cph3.one.com resolves to 104.37.34.72. mx4.pub.mailpod10-cph3.one.com resolves to 104.37.34.73. All four hosts carry exactly one IP address.