rero.dk

📜 Historical scan 2026-09-30 18:20:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rero.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 31 March 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.176.152 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by rero-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 80ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.176.152	3600s	—	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rero-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::28 2a01:111:f403:ca21::10 52.101.103.137 52.101.68.25 52.101.73.123 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	217.195.176.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 222ms

TXT Record
MS=ms69345771
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (rero.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 02:15:39

www	217.195.176.152 (AS31027) (address records, no CNAME)
www vs bare domain	Same network rero.dk: 217.195.176.152 (AS31027) www.rero.dk: 217.195.176.152 (AS31027)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

184ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

49ms

Field	Value
Serial	2026091001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-19 20:27:18

Field	Value
Registrar	ONE.COM A/S
Registered	2018-03-31
Expires	2028-03-31 (527d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

79ms

80ms

66ms

AAAA

52ms

TXT

222ms

CAA

44ms

HTTPS

48ms

TLSA

635ms

SOA

49ms

MTA-STS

76ms

DNSSEC

184ms

SRV

94ms

Total

1372ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 02:15:39	1257ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 18:20:45 shown	1372ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-17 11:07:34	1297ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 04:01:46	5877ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 16:02:56	10070ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-13 04:28:51	1088ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 04:36:06	2640ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 17:46:10	1199ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 19:57:03	678ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 08:26:23	876ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 22:17:20	1302ms	2 NS 1 A 1 MX	🔒 Secure