fellow.dk

📜 Historical scan 2026-08-06 04:33:03  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fellow.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 3 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by fellow-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

3 records   129ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S

🌍 A Records#

1 records   105ms
IPTTLPTRASNISP / OrgCIDRCountryCity
198.202.211.1 300s — AS209242 Cloudflare London, LLC 198.202.211.0/24 🇺🇸 United States —

📧 MX Records#

1 records   150ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s fellow-dk.mail.protection.outlook.com 2a01:111:f403:ca04::10
2a01:111:f403:ca04::5
2a01:111:f403:ca04::d
2a01:111:f403:ca09::8
52.101.68.25
52.101.68.32
52.101.73.15
52.101.73.22		 mail-dbapr03cu00100.inbound.protection.outlook.com
mail-db3pr0202cu00205.inbound.protection.outlook.com
mail-db6pr03cu00105.inbound.protection.outlook.com
mail-as2pr05cu00100.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-am7pr05cu00106.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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.99.155.232
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   998ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   281ms
TXT Record
1password-site-verification=IOHQRG2SHFGK5GKT6AFMKCYGJU
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (fellow.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.fellow.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-17 00:32:53
www CNAMEmly92ha9.up.railway.app (all on railway.app)
www vs bare domainSame network
fellow.dk: 69.46.46.69 (AS400940)
www.fellow.dk: 69.46.46.38 (AS400940)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
s1 s1.domainkey.u57698740.wl241.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u57698740.wl241.sendgrid.net RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

244ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026080501
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-17 00:56:15
FieldValue
RegistrarSimply.com A/S
Registered2023-01-03
Expires2027-01-02 (72d)

🔗 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#

NS
129ms
A
105ms
MX
150ms
AAAA
115ms
TXT
281ms
CAA
138ms
HTTPS
137ms
TLSA
877ms
SOA
0ms
MTA-STS
109ms
DNSSEC
244ms
SRV
998ms
Total
2803ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 00:32:53 1451ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-12 17:19:05 1630ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-11 16:28:21 993ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-06 01:15:37 1561ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-03 01:08:34 2099ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-01 00:51:59 1516ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-24 16:28:19 1961ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-23 15:39:55 1770ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-15 13:44:12 1589ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-09 07:08:11 1634ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-08 05:42:42 1148ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-28 00:35:01 2597ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-26 17:41:46 1713ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-07 17:08:16 9840ms 3 NS 1 A 1 MX 🔒 Secure
2026-08-06 04:33:03 shown 2803ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-25 22:19:39 1426ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-23 15:09:51 1166ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-19 20:55:14 1610ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-17 09:45:34 1372ms 3 NS 1 A 1 MX 🔒 Secure
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